How Does A Subsidy Affect Supply? (Solution)

When government subsidies are implemented to the supplier, an industry is able to allow its producers to produce more goods and services. This increases the overall supply of that good or service, which increases the quantity demanded of that good or service and lowers the overall price of the good or service.

How do subsidies affect the supply curve?

  • A subsidy is an amount of money given directly to firms by the government to encourage production and consumption. The effect of a specific per unit subsidy is to shift the supply curve vertically downwards by the amount of the subsidy. In this case the new supply curve will be parallel to the original. How do taxes and subsidies change our world?

How does subsidy affect supply curve?

A subsidy will shift the supply curve to the right and therefore lower the equilibrium price in a market. The aim of the subsidy is to encourage production of the good and it has the effect of shifting the supply curve to the right (shifting it vertically downwards by the amount of the subsidy).

How does subsidy affect supply equation?

The effect of a specific per unit subsidy is to shift the supply curve vertically downwards by the amount of the subsidy. In this case the new supply curve will be parallel to the original. Depending on elasticity of demand, the effect is to reduce price and increase output.

How do subsidies affect supply quizlet?

How does a subsidy affect supply? Subsidies will decrease the costs of production and therefore increase quantity supplied.

Why does government subsidy affect supply?

From the firm’s perspective, taxes or regulations are an additional cost of production that shifts supply to the left, leading the firm to produce a lower quantity at every given price. Government subsidies reduce the cost of production and increase supply at every given price, shifting supply to the right.

How do subsidies affect consumers?

A subsidy increases both consumer and producer surplus. A subsidy reduces the price that consumers have to pay for the product. This increases the difference between the price paid by consumers and the price that they are willing to pay, thus resulting in an increase in consumer surplus.

How do subsidies affect the economy?

When market imperfections exist, it is the right of governments to use subsidies to palliate those that are ill-advantaged. For example, in a low-monetized economy, subsidies can achieve more efficient social policy – it may be easier to slash food staple prices to consumers than to make social transfers.

Why are subsidies important?

Basically, subsidies are provided by the government to specific industries with the aim of keeping the prices of products and services low for people to be able to afford them and also to encourage production and consumption.

What does a subsidy do?

A subsidy is a direct or indirect payment to individuals or firms, usually in the form of a cash payment from the government or a targeted tax cut. In economic theory, subsidies can be used to offset market failures and externalities to achieve greater economic efficiency.

How government subsidies can cause losses in efficiency?

A subsidy generally affects a market by reducing the price paid by buyers and increasing the quantity sold. Subsidies are usually pareto inefficient because they cost more than they deliver in benefits. It is pareto inefficient, and area C is deadweight loss.

How does government regulation affect supply?

-gov regulations increase restrict supply, causing the supply curve to shift to the left. -relaxed regulations allow producers to lower the cost of production, which results in a shift of the supply curve to the right. -the larger the number of suppliers, the greater the market supply.

How can a government influence supply through taxes quizlet?

How can the government influence supply? The government can influence supply by adding excise taxes on materials, making production costs too high, so producers decrease supply. An increase in supply causes equilibrium price to decrease. A decrease in supply causes equilibrium price to increase.

How do taxes affect production or supply quizlet?

How do indirect taxes shift the supply curve leftward? Taxes increase the price of the good and reduce demand.

How do increased taxes affect the supply of goods and services?

Increasing tax If the government increases the tax on a good, that shifts the supply curve to the left, the consumer price increases, and sellers’ price decreases. A tax increase does not affect the demand curve, nor does it make supply or demand more or less elastic.

What impact would a subsidy on milk have on the supply of milk?

A government subsidy would cause the milk supply curve to shift to the right. Scenario 6: In an effort to lower the price of milk, the government provides a subsidy to milk producers.

How Do Government Subsidies Help an Industry?

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Effect of Subsidies on Supply

Governments are attempting to establish subsidies in order to stimulate production and consumption in certain sectors. When government subsidies are provided to suppliers, an industry is able to increase the amount of products and services produced by its manufacturers. Increased overall supply of that item or service results in increased demand for that good or service, which results in a decrease in the overall price of that good or service. Therefore, when the government provides subsidies to the provider, the result is a win-win scenario for both the supplier and for the customer as a whole.

Meanwhile, customers benefit from the product at a lower cost than would otherwise be the case since suppliers do not have to charge outrageous prices in order to break even on the manufacturing costs they incur.

Tax Credits

Government subsidies, which are generally in the form of tax credits, can assist potential customers with the cost of a commodity or service on the consumer side. For example, the move to more renewable sources of energy is a fantastic illustration of this concept. Due to the fact that green economic models are still in their infancy, there is currently little demand for new energy-saving technologies. Government subsidies or tax credits may be used to affect consumer interest in adoption by alleviating the high expense associated with adoption.

This means that consumer-targeted subsidies will not necessarily boost supply since producers will not be motivated or paid to create more as a result of the subsidies.

The purchase of an electric or hybrid car may also be eligible for a tax credit or subsidy in some states, in the same spirit.

The Bottom Line

Government subsidies may benefit an industry on both the supplier and consumer sides, regardless of which end of the supply chain they are put on first. Governments must either raise taxes or reallocate money from current budgets in order to launch subsidization programs. There is also the idea that incentives in the form of subsidies actually work to the detriment of enterprises’ efforts to minimize their operating expenses.

In reality, government intervention in market economics has tangible consequences for both consumers and suppliers alike, whether it be expanding supply through supplier-side subsidies or assisting consumers with high adoption costs through tax credits.

The economics of subsidies: Supply and demand diagrams

Supply and demand graphs may be used to examine the impact of demand- and supply-side subsidies on the housing market in greater detail. This research demonstrates that in the face of an inelastic supply curve, which prohibits supply from responding to price increases, both subsidies are at best inefficient, and at worst a handout to developers, as demonstrated by the data.

1. Demand-side subsidies

As a result, when housing suppliers are unable to respond to price increases by offering additional homes (for example, because there is a limited amount of well-connected land), the supply curve S climbs abruptly upwards. This is referred to as aninelastic reaction to price increases in the supply of goods. When a demand-side subsidy causes the demand curve to shift from D1 to D2, the housing market’s equilibrium changes from point A to point B, the housing market is said to be in equilibrium.

The increase in the price of housing results into more earnings for housing suppliers.

2. Supply-side subsidies

When a supply-side subsidy serves to lower the price at which subsidised suppliers are prepared to deliver a specific quantity of housing, the supply curve changes downward from S1 to S2, while the demand curve swings upward from S1 to S3. The equilibrium of the housing market shifts from point A to point B, resulting in a drop in price and an increase in the amount of houses provided. However, if the supply curve is inelastic, as is the case when some inputs into housing production are relatively fixed in quantity (for example, land), then these subsidies will not increase the total housing stock, but will instead serve to crowd out unsubsidized suppliers in favor of subsidised ones.

As a result, the subsidy has no influence on the quantity of housing produced, and instead helps to displace non-subsidized home creation.

3. Increasing supply elasticity

When public policy is implemented to raise the elasticity of housing supply (for example, by altering land-use regulations or increasing the effective land supply), the private sector is able to better respond to price increases by offering additional homes to the market. As a result, the slope of the supply curve becomes less steep, causing the supply curve to pivot from S1 to S2. The resulting shift in the supply curve lowers home prices while simultaneously increasing the quantity of dwellings provided.

Previously published chapter Continuing with the next chapter

The Effects of Subsidies on the Supply & Demand Curve

A number of countries provide support in the form of financial subsidies to a variety of businesses and individuals with the purpose of lowering the cost and increasing the availability of goods and services for the benefit of the general public.

Economists plot the impact of these subsidies on the supply and demand curves in order to understand how they affect the location of the supply and demand curves in certain ways.

An Overview of Subsidies

In business and industry, a subsidy is a certain amount of money that is generally provided by the government in order to assist the business or industry in maintaining competitive or reasonable pricing for its goods and services. These subsidies can take the shape of artificially inflated prices, such as those targeted at enhancing the income of farmers, or they might be in the form of tax breaks. The government may offer services such as subway transportation or college tuition for a price that is less than the actual cost of providing the service.

What Are the Supply and Demand Curves?

When it comes to the economy’s supply of goods and services, economists are concerned with how those products and services are matched up with demand for those goods and services. The amount of units that producers are willing to offer at various price points is proportional to the number of units that consumers are willing to purchase at various price points. When buyers, sellers, and producers reach an agreement on the unit price of a specific item or service, economists refer to this as the equilibrium price of the item or service.

A variety of various price-quantity combinations are represented by the supply and demand curves.

The price of a good is represented by the vertical axis of the chart, and the quantity represented by the horizontal axis.

When variables other than price influence the market for a particular item, the demand curve shifts in a new direction.

How Subsidies Affect Supply and Demand Curves

Supply- and demand-side subsidies are two methods through which governments seek to exert control over the economy. It is therefore possible to investigate the impact of these subsidies by plotting the findings on supply and demand graphs or charts across time and examining the changes over time. If the supply of an item is inelastic, meaning that it does not fluctuate in response to changes in pricing, a subsidy program would have no impact and would be reduced to nothing more than a handout to the producers.

Demand-Side Subsidies

A subsidy that has an impact on the demand side would really cause the entire curve to shift from one position to another, such as shifting to the right or left, rather than just one point on it. This is in contrast to, for example, a curve that remains in the same place but becomes steeper as more data points are collected. On the chart, there is a particular supply-price equilibrium, but this equilibrium might vary if a subsidy were to be implemented in the market.

It is more likely that a demand-side subsidy would lead to an increase in the price of housing rather than an increase in the number of available dwellings. The housing suppliers would then be able to turn this subsidy into greater profits as well.

Supply-Side Subsidies

In the case of a subsidy that impacts the demand side, the entire curve would be shifted from one point to another, such as to the right or the left. This is in contrast to, for example, a curve that remains in the same place but becomes steeper as more data points are added. On the chart, there is a specific supply-price equilibrium, but this equilibrium might vary if a subsidy were to be implemented. In the event of a demand-side subsidy, this would result in a rise in the price of housing rather than an increase in the number of available housing units.

Pros and Cons of Subsidies

Subsidies are appropriate in some circumstances, but they are not always appropriate. The instrument can be effective in providing a solution to market-related difficulties, such as when a private market fails to offer a conclusion that is beneficial to the general public. Subsidies, for example, might encourage corporations to do research and development in areas that are beneficial to society, even if the research and development does not result in a significant increase in profits for the company.

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Energy subsidies, on the other hand, are provided to low-income families but can constitute a drain on government resources, particularly if a large number of relatively well-off households qualify and accept the subsidy.

Some subsidies, such as those for fossil fuel development, might be in direct conflict with a society’s environmental aims, such as the promotion of clean air.

In the meanwhile, the government has fewer resources to allocate to newer, alternative-energy enterprises than it had previously.

The impact of subsidies

A subsidy is a payment paid to businesses or consumers with the intent of encouraging them to raise their output. A subsidy will cause the supply curve to move to the right, lowering the equilibrium price in a market as a result of the shift. The purpose of a subsidy is to stimulate the production of a good, and it has the effect of pushing the supply curve to the right in the process (shifting it vertically downwards by the amount of the subsidy). This is illustrated in the following figure.

The government will incur financial obligations as a result of this subsidies, and we can use the graphic to illustrate how much money they will have to spend.

This results in the area depicted in Figure 2 below.

When a subsidy is combined with a tax (see preceding section, which can be accessed by clicking on either the left arrow at the top or bottom of the page), some will help the customer (in the form of a price drop), and some will benefit the corporation.

This impact may be seen in the illustration below, in Figure 3. Figure 3: Subsidy allocations between producers and consumers

Reading: Factors Affecting Supply

A supply curve depicts how the amount of goods provided will vary when the price increases and decreases, assuming ceteris paribus that no other economically important factors are changing at the same time. Other elements that are important to supply will alter if these other ones change. The entire supply curve will shift. Similar to how a shift in demand is represented by a change in the amount desired at each price point, a shift in supply is reflected by a change in the quantity delivered at each price.

  1. Goods and services are created via the use of a mix of labor, materials, and machines, which we refer to as inputs (also calledfactors of production).
  2. The growth in earnings of a company motivates it to generate more output (goods or services), because the more it produces, the more profit it earns.
  3. The supply curve is moving to the right, demonstrating this phenomenon.
  4. It is possible that the corporation may discover that purchasing fuel is one of its most significant expenses.
  5. Because decreased expenses translate into better profits, the messenger firm can now provide a greater variety of services at a cheaper cost.
  6. In contrast, if a company’s manufacturing costs are larger than its profit margins, it would make smaller profits at any given selling price for its products.
  7. This results in a change in the supply curve toward the left.
  8. For example, if the price is $20,000, the amount delivered will be 18 million automobiles, as indicated by Point J.
  9. As demonstrated in Tabular 1, the same information may be presented in a table format.
Price Decrease to S 1 Original Quantity Supplied S 0 Increase to S 2
$16,000 10.5 million 12.0 million 13.2 million
$18,000 13.5 million 15.0 million 16.5 million
$20,000 16.5 million 18.0 million 19.8 million
$22,000 18.5 million 20.0 million 22.0 million
$24,000 19.5 million 21.0 million 23.1 million

Consider the following scenario: the price of steel, which is a critical component in vehicle production, rises, making the cost of constructing a car more expensive. Car manufacturers will respond by delivering a less amount of vehicles at any given price for selling automobiles. This may be represented visually as a leftward shift in supply, from S 0 to S 1, which implies that the quantity provided reduces at any given price. The amount given reduces from 18 million on the previous supply curve (S 0) to 16.5 million on the new supply curve (S 1), which is denoted as point L, in this case at a price of $20,000.

Automobile producers may now anticipate better profits at any given price for selling automobiles, resulting in a greater supply of automobiles on the market.

The amount provided grows from 18 million on the initial supply curve (S 0) to 19.8 million on the second supply curve (S 2), which is denoted M, in this case at a price of $20,000.

Other Factors That Affect Supply

We showed in the last example that changes in the pricing of inputs in the manufacturing process will have an impact on the cost of production and, therefore, the supply. Several additional factors, such as changes in weather or other natural circumstances, new manufacturing technology, and certain government laws, all have an impact on the cost of production. Changes in natural circumstances will have an impact on the cost of production for a wide variety of agricultural goods. For example, in the second half of 2009, the area of northern China that produces around 60% of the country’s wheat output faced the worst drought in at least fifty years in the area where wheat is traditionally grown.

  1. In addition, when a company develops a new technology that allows it to manufacture at a cheaper cost, the supply curve shifts to the right.
  2. By the early 1990s, these Green Revolution seeds were being used to grow more than two-thirds of the wheat and rice farmed in low-income nations throughout the world—and the yield per acre was twice as high as it had been previously.
  3. Taxes, restrictions, and subsidies are all examples of how government policies may influence the cost of manufacturing and the supply curve.
  4. Businesses approach taxes as though they were expenses.
  5. Among the other types of policy that can have an impact on cost are the numerous government rules that force businesses to spend money to offer a cleaner environment or a safer workplace; complying with laws raises the cost of doing business.
  6. A subsidy happens when the government directly compensates a business or decreases the firm’s taxes in exchange for the firm performing particular acts.
  7. Government subsidies lower the cost of manufacturing and boost supply at every price point, resulting in a supply shift to the right of the supply curve.


A subsidy is a sum of money granted directly to businesses by the government in order to stimulate the production and consumption of goods and services. A unit subsidy is a specified payment that is paid to the producer for each unit of product produced. In the case of a particular per unit subsidy, the result is to push the supply curve vertically downwards by the amount of the subsidy received.

As a result, the new supply curve will be parallel to the previous supply curve in this situation. Depending on the demand elasticity, the consequence is either a decrease in price or an increase in output.

The incidence of a subsidy

The economic incidence of a subsidy tells who benefits from the subsidy and who does not benefit from the subsidy. The legal incidence, on the other hand, specifies who the subsidy is meant to benefit in accordance with the law. The subsidy per unit is represented by A – B in the graphic below, while the additional amount consumed is represented by Q1. The price the customer pays, on the other hand, does not decrease by the whole amount of the subsidy — instead, it decreases from P to P1. As a result, even though the objective of the subsidy is to decrease the price to the customer by the whole amount of the subsidy, the producer reaps part of the benefits in the form of more money that they may keep.

Each unit of benefit for the consumer is denoted by the letter P – P1, and the total gain for the customer is denoted by the letter PFBP1.

CABP1 is the area that represents the total cost of the subsidy to the government.

Effect of Government Subsidies

When the government provides a subsidy for a product, what happens? Question from the readers: A subsidy is a payment made by the government to cover a portion of the cost. In the case of potatoes, the government may provide farmers with a subsidy of £10 per kg of potatoes produced. Consequently, the supply curve shifts to the right, resulting in lower prices and more demand for the product in question. Subsidy Schematic Diagram

  • In this particular instance, the government is providing a subsidy of £14.00. (30-16). The subsidy causes the supply curve to move to the right, resulting in a decrease in the market price. Demand for the product grows from 100 to 140 units, resulting in a price reduction from £30 to £22.

Cost of subsidy

Taxes will be levied by the government to cover the cost of the subsidy. In this case, the cost of the subsidy is £14 multiplied by 140 is £1,960.

Effect of subsidy depending on the elasticity of demand

  • If demand is elastic, a subsidy will result in a greater percentage increase in demand than if demand is inelastic. There is simply a little decrease in the price. In this case, producers benefit from the subsidy because their producer surplus increases more than their consumer surplus
  • If demand is price inelastic, a subsidy causes a substantial fall in price, but only a small increase in demand
  • If demand is price elastic, a subsidy causes a substantial fall in price, but only a small increase in demand

Subsidy for good with positive externality

When it comes to a public benefit like public transportation, there may be positive externalities associated with providing the service. When individuals ride the train instead of driving, they assist to minimize pollution and traffic congestion. As a result, in a free market, there is a tendency for public transportation to be underutilized. A government subsidy leads to an increase in consumption, which in turn leads to a rise in output, which is more socially efficient.

Disadvantages of government subsidies

  • In addition to being expensive, raising considerable amounts of tax money would be required. There is also an argument that when the government subsidises businesses, it diminishes the incentives for those businesses to minimize expenses. The argument is that governments should refrain from subsidizing enterprises unless there is a demonstrated social advantage to subsidizing firms in question. If a company creates environmentally friendly technology, for example, it may be able to provide society with a net positive externality – which might justify a government subsidy
  • Milton Friedman famously stated, “There is nothing so permanent as a temporary government initiative.” The issue is that once a pressure organization receives a subsidy, it becomes extremely difficult to get that support terminated on a purely political basis. If they want to be elected, politicians must vow to maintain the subsidies, even if this results in a net welfare loss. For example, temporary agricultural subsidies in the United States, which were instituted in the late 1920s and early 1930s and which have increased in cost and effect while proving extremely difficult to eliminate, are a suitable illustration.

Farming subsidies

Farmers get the majority of government subsidies in the United States and the European Union. This is not due to the fact that agriculture generates positive externalities, but rather because it has emerged as a significant political pressure group. Subsidies are frequently provided in an indirect manner.

  • By ensuring that minimum prices are maintained (the government buys the surplus to maintain target price). As seen in the preceding example, the government essentially subsidises farmers by purchasing their excess produce. Farmers are assured to be able to sell to the government, therefore guaranteeing minimum pricing has the potential to affect supplier behavior and result in an increase in overall supply. Payments of revenue in a straightforward manner. The EU has transitioned to direct income transfers, in which farmers are paid directly by the government.

A surplus of food, increased costs for consumers, and inefficiency have resulted as a result of agricultural subsidies, though.

Subsidies for declining industries

The automotive sector received a significant subsidy from the United States government in 2009. The subsidy was justified on the grounds that

  • The automobile sector was experiencing short-term difficulties, including a recession, a financial shortage, and an oversupply of vehicles. The goal was that the big subsidy would prevent significant automobile companies from going bankrupt, which would have resulted in an increase in unemployment at a time when unemployment was already elevated. The subsidy would not be ongoing, but would be one-time only
  • Generally speaking, the subsidy was a financial success. Job losses were avoided, the industry was allowed to restructure, and the government was able to recoup a significant portion of the money it had spent on the initial subsidy. However, the government was able to save money on unemployment compensation as well as the expense of further job losses. Subsidy for the automobile industry in the United States

Recession, financial constraint, and oversupply were among the short-term issues plaguing the auto sector. A huge subsidy was intended to prevent big automobile companies from going bankrupt, which would have resulted in an increase in unemployment at a time when it was already high. Moreover, the subsidy would be one-time only and not recurring; The subsidy was a huge success, to a significant degree. No job losses resulted from this, and the industry was given the opportunity to reorganize, while the government recovered the vast majority of the money it had invested.

Government assistance to the automobile industry in the United States.

Effect of a Subsidy

In most cases, a subsidy has an impact on a market by lowering the price paid by buyers and raising the number of goods supplied. Subsidies are often inefficient in the sense that they cost more than they provide in terms of net benefits. To see why, consider a market that is not subsidized. The market would attain an equilibrium when the demand curve crosses the pre-tax supply curve, which is determined by the sellers’ willingness to accept a lower price than they were willing to pay previously (W2A).

  • The following is a representation of the equilibrium on a graph: Consider the following scenario: the government decides to subsidize sellers by giving them Z dollars per unit sold.
  • Pn + Z = W2A or Pn = W2A – ZTherefore, the supply curve shifts as indicated in the image below: Pn + Z = W2A As a result of the subsidy, retailers may now charge Z less than their W2A since the government will make up the difference between the two.
  • Pn+Z is retained by the sellers.
  • The purchasers, who are now paying a cheaper price, benefit from the increase in consumer surplus in region B.
  • As a result, the subsidy is more expensive in C dollars than the advantages it provides.
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4.7 Taxes and Subsidies – Principles of Microeconomics

Topic 4: Supply and Demand in Practical Situations, Part 2

Learning Objectives

You will be able to do the following by the conclusion of this section:

  • Distinguish between the incidence of legal and economic taxes. Be familiar with how to depict taxes using the shifting curve and the wedge approach
  • Understand how a tax affects the quantity and price of a product
  • Give an explanation of how taxes and subsidies result in deadweight loss.

Despite the fact that taxes are not the most popular policy, they are frequently required. By changing the curve and utilizing the wedge approach, we will be able to better understand how taxes influence the market and how to mitigate their effects. First and foremost, we must distinguish between the incidence of legal taxation and the incidence of economic taxation.

Legal versus Economic Tax Incidence

When the government establishes a tax, it must choose whether the tax will be levied against producers or against consumers. This is referred to as “legal tax incidence.” Consumer-facing taxes such as the Government Sales Tax (GST) and Provincial Sales Tax (PST) are among the most well-known types of taxes (PST). In addition, the government imposes levies on manufacturers, such as the gas tax, which reduces their profit margins. When identifying who is effected by a tax, the legal incidence of the tax is essentially immaterial to the decision.

In the same way, a tax on consumers would eventually diminish the quantity required and the excess produced by producers.

Due to the fact that economic tax incidence, or who really pays in the new equilibrium for the incidence of the tax, is determined by how the market responds to the price shift rather than by legal incidence, this is a necessary condition for determining economic tax incidence.

Tax – Shifting the Curve

As discussed in Topic 3, we discovered that the supply curve was formed from a firm’s Marginal Cost and that variations in the supply curve were produced by any changes in the market that resulted in an increase in MC across the board. This is no different in the case of a tax. From the point of view of the producer, every tax imposed on them is just an increase in the marginal costs per unit produced. Examine the oil market once more to see how a tax would have an impact on the market. Suppose the government imposes a $3 gas tax on producers (a legitimate tax incidence on producers), the supply curve will move up by $3 as a result of the tax.

  1. It should be noted that producers no longer earn $5; instead, they now receive only $2, as $3 must be given to the government.
  2. Imagine that the legal incidence of the tax is placed on the customers, as seen in Figure 4.7a.
  3. For example, if customers are only ready to pay $4/gallon for 4 million gallons of oil but are aware that they would be charged a $3/gallon tax at the pump, they will only purchase 4 million gallons of oil if the ticket price is just $1.
  4. The $2 that was paid to the producers before taxes will be returned to them.

Tax – The Wedge Method

Another way to look at taxes is via the lens of the wedge approach. As a result of this strategy, it is recognized that who pays the tax is ultimately immaterial. As opposed to this, the wedge approach explains how a tax creates a wedge between the price consumers pay and the revenue producers get that is proportional to the amount of tax charged. As seen in the illustration below, finding the new equilibrium is as simple as finding a $3 wedge between the two curves. Only $0.7 is tried for the first wedge, followed by $1.5, and so on until the $3.0 tax is discovered.

Market Surplus

In the same way that price and quantity restrictions must be compared before and after a price change in order to properly appreciate the impact of a tax policy on surplus, one must compare the market surplus before and after a tax policy change. Figure 4.7d (right)


The market surplus prior to the tax has not been indicated, although this should be a normal part of the process.

Make certain you understand how to obtain the values shown below: Consumer surplus is equal to $4 million. 8 million dollars in producer surplus Market Surplus is equal to $12 million.


Based on this illustration, the market surplus following implementation of policy may be computed. Consumer Surplus (in the blue area) equals $1 million dollars. Producer Surplus (in the red area) equals $2 million. Revenue from the government (in the green area) = $6 million Market Surplus is equal to $9 million.

Why is Government Included in Market Surplus

We did not include any mention of government revenue in our earlier examples dealing with market excess since the government was not participating in our market at the time of writing. Keep in mind that market excess is our yardstick for measuring efficiency. Without consideration for the government, this statistic would be of limited use. For the sake of this example, a million-dollar loss to the government would be considered efficient if it resulted in a one-dollar benefit to the general public.

  • As was the case with the quota, a reduction in quantity resulted in a drop in both consumer and producer surplus.
  • It is this time when consumers and producers are the ones who are being redistributed to the government.
  • Price adjustments merely rebalance the distribution of excess among consumers, producers, and the government.
  • Figure 4.7e (right)

Transfer – The Impact of Price

The price effect of the tax causes regions A and C to be moved from consumer and producer surplus to government income as a result of the tax’s influence on prices. Bringing Consumers to the Government – Area A Gasoline was initially priced at $4 per gallon for consumers. They are now spending $5 per gallon of gasoline. The $1 rise in price represents the part of the tax that consumers are responsible for paying out of pocket. Despite the fact that the tax is charged against producers, consumers are still required to shoulder a portion of the price increase.

This is due to the fact that a drop in the price to producers implies a decrease in the quantity provided, and in order to preserve equilibrium, the quantity required must reduce by an equivalent amount.

Essentially, this is a direct transfer from consumers to the government, and it has no impact on the market surplus.

Producers to Government – Area C

In the beginning, gas producers earned a $4-per-gallon income share. They are now paid $2 per gallon of gasoline. This $2 reduction represents the share of the tax that manufacturers are responsible for paying. This means that the government receives $2 million in tax income from the manufacturers for every 2 million gallons of product produced. A shift of wealth has occurred from producers to the government. According to the government’s calculations, it obtains a total of $6 million in tax money, which is collected from consumers and manufacturers.

The Implications of Quantity on Deadweight Loss Deadweight loss would not exist if we just evaluated a transfer of surplus as a possible solution.

When customers pay a higher price, they want fewer items, and when producers pay less, they supply fewer items, resulting in a decline in the amount of merchandise available for sale.

Deadweight loss in the market occurs as a result of this fall from equilibrium quantity, as there are customers and producers who are no longer able to purchase and provide the commodity.

Consumer Surplus Decrease – Area B

A significant number of customers will abandon oil in favor of other fuels as a result of the price hike. The reduction in quantity demand of 1.5 million gallons of oil results in a deadweight loss of $1 million in terms of oil. Producer Surpluses are declining – In addition, producers in Area Dwill reduce the amount of oil they supply by 1.5 million gallons per year because they would now only earn $2.00 per gallon for their output. Not by chance, the magnitude of the drop is the same on both occasions.

  • It is important to remember that the amount requested must equal the quantity provided in order for the market to stay stable.
  • Take note, however, that the consequence of this quantity reduction results in a greater fall in producer surplus than consumer surplus, resulting in a $2 million decline in producer surplus.
  • Together, these reductions result in a $3 million reduction in deadweight (the difference between the market surplus before and market surplus after).
  • It is a benefit provided by the government to organisations or people, and it is typically in the form of a cash payment or a tax deduction.
  • In economic terms, a subsidy acts as a wedge, lowering the price consumers pay while raising the price producers get, resulting in a net loss for the government.
  • Many regulations have been created in reaction to this, allowing low-income families to remain homeowners despite their financial circumstances.
  • Please note that the following policy is impractical, but it provides for a straightforward understanding of the effect of subsidies.
  • The government wants to significantly expand the number of customers who can afford to buy a home, so it offers a $300,000 subsidy to everyone who purchases a new home during the current fiscal year.
  • Across all of the government initiatives we’ve looked at so far, we’ve tried to figure out whether the policy has had an effect on either increasing or decreasing the market surplus.

Unfortunately, as the amount of surplus overlap on our diagram rises, the situation becomes more difficult. To make the study easier to understand, the following figure divides the changes in producers, consumers, and the government into three independent plots. Figure 4.7g (High Resolution)


Producers will now get $550,000 instead of $400,000, resulting in an increase in the quantity of food delivered to 60,000 households. Areas A and B see an increase in producer surplus as a result of this.


Consumers now pay $250,000 instead of $400,000, resulting in an increase in the number of dwellings required to 60,000. This enhances consumer surplus in the areas covered by Cand D’s research.


This idea would cost the government $18 billion and require the government to pay $300,000 per property in order to subsidize the 60,000 customers who are purchasing new homes. In terms of numbers, this corresponds to a reduction in government spending in areas A, B, C, D, and E.


These are the regions where we anticipate total benefits from the policy (to producers and consumers), whereas the areas where we anticipate entire losses (the cost to the government) are areas A, B, C, D and E. To sum it all up: Specifically, the government transfers control of Areas A, B, C, and D to consumers and producers. Area E represents a deadweight loss resulting from the policy. There are two points to take note of in this particular scenario. First and foremost, the program was effective in increasing the number of residences built from 40,000 to 60,000.

It’s important to remember that if a quantity is moved from its equilibrium value, in the absence of externalities, there is a deadweight loss.


A taxation or subsidization scheme is more complex than a pricing or quantity control scheme due to the involvement of a third economic player: the government. As we have shown, who is subjected to a tax or subsidy is immaterial when analyzing how the market ultimately performs. Take note that the past three sections have given a bleak picture of the effectiveness of policy tools. This is due to the fact that our model does not yet account for the external costs that economic players impose on the macro-environment (pollution, sickness, and so on), nor does it assign any significance to equality.

For the reasons stated above, we may conclude that the legal incidence of the tax does not important; but, what does?


Economic Tax Incidence is the distribution of tax depending on who bears the burden in the new equilibrium, which is determined by the elasticity of the new equilibrium market. Legal Tax Incidence refers to the legal allocation of who is responsible for paying the tax.

Subsidy is a benefit provided by the government to organisations or people, and it is typically in the form of a monetary transfer or a decrease in taxation. It is frequently done in order to relieve some form of burden, and it is frequently deemed to be in the general public’s best interests.

Exercises 4.7

For the following THREE questions, refer to the supply and demand curves depicted in the illustration below. Take, for example, the imposition of a $20 per unit tax in this industry. 1.Can you tell me which regions reflect the loss in consumer and producer surplus as a result of this taxation? If you have any questions, please contact us at [email protected] or [phone number]. If you have any questions, please contact us at [email protected] or [phone number] or [email protected] or [email protected].

  1. If you have any questions, please contact us at [email protected] or [phone number].
  2. 3.In which areas does the deadweight loss connected with this tax manifest itself?
  3. Given the after-tax equilibrium in the sock market, which of the following claims is FALSE if the government imposes a constant per-unit tax on socks: (Assume that the demand curve for socks is downward sloping.) a) As a result of the tax, consumers are in a worse financial position.
  4. Because of the tax, producers are in a worse financial position.
  5. 5.Refer to the supply and demand diagram in the next section.
  6. If a subsidy is brought into a market, which of the following statements is TRUE?
  7. Make no assumptions about externalities.
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b) The surpluses of consumers and producers fall, but the surplus of society grows.

d) The consumer surplus, the producer surplus, and the social surplus are all on the decline.

Suppose that a $6 per unit tax is imposed in this market, the price that consumers pay will be equal to , and the price that producers get net of the tax will be equal to .

This market’s new equilibrium quantity will be:a) 20 units if a $6 per unit tax is imposed on each unit sold.

c) A total of 60 units.

9) Which of the following claims regarding the deadweight loss of taxes is TRUE?

b) If there is no deadweight loss, then the income raised by the government equals exactly the amount of money lost by consumers and producers as a result of the taxation.

d) Neither a) nor b) are correct.

a) The surpluses of consumers and producers rise, while the surplus of society falls.

b) The surpluses of consumers, producers, and society as a whole all grow in size.

11.Which of the following best illustrates the equilibrium consequences of a per unit subsidy?

Price increases for consumers, but producer prices decline and supply increases.

b) The consumer price increases, the producer price increases, and the amount of goods produced increases.

12.Refer to the supply and demand diagram in the next paragraph.

a) Five dollars; ten dollars A) $6; $11.

C) $8; $3.


What will be the equilibrium quantity if a $2 per unit subsidy is put in the market?

b) A total of 45 units.

d) A total of 55 units.

Assume that: I there are no externalities; and (ii) in the absence of government regulation, the market supply curve is the one labeled S1.14 (supply curve in the absence of government regulation).

Which section of the market will suffer the most from the imposition of a $5 per unit tax in this market? a) The letter a. b) a + b.c) a + b.d) a + d.e) a + d. d) the sum of a, b, and c.

Education resources for teachers, schools & students

In order to stimulate the supply of specific items, governments provide payments to suppliers. This is widespread in agricultural markets and in the sale of commodities that have environmental advantages. To illustrate the impact of providing a subsidy to farmers in the potato market, the graphic below is shown in black. In this case, the subsidy encourages producers to manufacture additional items, resulting in an outward shift of the supply curve to S1. Due to the fact that the subsidy provider (the government) has covered a portion of the cost of production, the costs of production have been reduced effectively, as a result.

Excess supply is created in the market, which puts pressure on the price to fall in order for the market to clear (as the demand curve remains unchanged), and this causes the amount of goods sold to increase because the lower price fuels higher demand, which causes the amount of goods sold to increase.

  • However, while analyzing the efficiency of subsidies, it is critical to include the price elasticity of demand in the market.
  • In contrast, when the demand curve is elastic, the price decline is modest since producers do not pass on a big portion of the subsidy to consumers.
  • Inelastic demand curves benefit consumers more than elastic demand curves because a big portion of the subsidy is passed on to consumers in the form of a reduced market price.
  • When the demand curve is elastic, on the other hand, producers profit the most from the subsidy since they are able to retain a large portion of the cost savings resulting from the subsidy.
  • Although this is true in theory, it is considerably more difficult in practice to provide a subsidy to a sector since governments do not know the exact extent of the externality in the market.

These estimates are unlikely to be perfectly correct since various agents may be responsible for different externalities when different items are consumed or manufactured. All of this implies that making a judgment about whether to provide a subsidy or the amount of a subsidy is challenging.

How Do Taxes & Subsidies Affect Supply?

Supply and demand are two elements that influence a company’s inclination to sell as well as the prices it charges its customers. A consumer’s willingness to purchase a product or service is also affected by these factors. It is possible that taxes and subsidies will have a major impact on how much of a product a corporation will create for sale to customers.

Business Taxes Decrease Supply

Businesses can be taxed either directly or indirectly in a variety of ways, including: Examples include local or state taxes as well as taxes on company earnings, to name a few. Any tax imposed on a firm will have an impact on its supply. Increasing expenses of manufacturing and selling things as a result of taxes increases the costs of doing business, which can be passed on to the customer in the form of increased pricing. When the cost of production rises, the company will reduce the amount of the item it sells to customers.

Subsidies Can Increase Supply

Subsidies are payments made by the government to firms or industries in order to keep them in the business of manufacturing or studying a product. For example, if a government-designated key industry is experiencing financial difficulties, the government may provide these enterprises with a specific amount of money for each item they sell. This sort of subsidy boosts supply because it lowers the amount of money it costs a firm to manufacture a certain commodity. Businesses are able to produce more of a product when the expenses of manufacturing are reduced.

This can result in increased demand – as well as an increase in supply to fulfill that need.

When Subsidies Work in Reverse

In rare cases, the government will actually compensate a company for failing to supply a product. Examples include the Conservation Reserve Program, which pays farmers not to grow specific crops in exchange for receiving a payment. In 2012, the government accepted 3.9 million acres into the Conservation Reserve Program (CRP). When crops were overproduced during World War II, producers were able to feed people in Europe in addition to those in the United States by utilizing this form of subsidy, which automatically limits supply.

The initiative being implemented today is intended to aid in the protection of groundwater in certain locations by minimizing water runoff and sedimentation.

Internet Sales Tax

A tax does not necessarily result in a reduction in supply. Retailers, for example, only charge sales tax on online transactions if they also operate a brick-and-mortar store in a state that levies sales tax. Politicians are arguing that taxes should be extended to include shops that solely sell their products online. It is possible that this tax will have a disproportionate impact on supply. Some customers prefer to purchase online rather than in physical stores because of the tax savings; if the tax is applied, they may begin to shop more regularly in brick-and-mortar stores instead.

As a result of the internet tax, the supply from physical retailers may actually rise as a result of the tax.


A subsidy is a financial or tax benefit provided by the government to individuals or enterprises in the form of cash, grants, or tax breaks, among other things. Direct Taxes A direct tax is a form of tax that an individual pays to the government that is paid directly to the government. Examples of direct taxes include income tax, poll tax, property tax, and tax credits that help to increase the supply of specific goods and services. Subsidies enable customers to obtain lower-priced goods and services by reducing competition.

Externality An externality is a cost or benefit of an economic activity that is experienced by a third party that is not involved in the economic activity.

Fiscal Policy is a term that is used to refer to a set of rules that govern how money is spent.

Essentially, subsidies are financial assistance provided by the government to certain businesses with the goal of keeping the prices of goods and services low so that consumers can afford them while simultaneously encouraging the production and use of such goods and services.

Types of Subsidies

This form of subsidy is offered in order to stimulate the development of a certain product or service. In order for manufacturers to raise their production output, the government pays them for some of the costs associated with doing so. This allows them to reduce their costs while simultaneously raising their output. As a consequence, both output and consumption increase, but the price remains stable or slightly higher. The disadvantage of such an incentive is that it has the potential to encourage overproduction.

2. Consumption subsidy

In order to stimulate the manufacture of a certain product, this form of subsidy is offered. As a means of encouraging manufacturers to boost their production output, the government compensates them for some of the costs associated with doing so. This allows them to reduce their costs while increasing their output. This results in an increase in both output and consumption while keeping prices stable. It is possible that overproduction will result as a result of such an incentive, which is undesirable.

3. Export subsidy

A well-known truth is that a country or state makes money from its exports, and that exports contribute to the overall health of the economy. As a result, the government subsidizes the cost of exports in order to encourage them.

However, this may be readily misused, particularly by exporters who inflate the cost of their goods in order to earn a higher incentive, so increasing their profits at the expense of taxpayers and ultimately rising their overall profits.

4. Employment subsidy

This tax credit is provided by the government to businesses and organizations in order to encourage them to create additional job possibilities for their employees.

Advantages of Subsidies

They are particularly useful in the area of production cost inputs such as fuel costs, which is particularly relevant at a time when global crude oil prices are on the rise. Fuel expenses are heavily subsidized in many nations in order to keep prices from skyrocketing.

2. Preventing the long-term decline of industries

There are several businesses that should be maintained alive and functional, such as fishing and farming, because they are critical to the survival of a society’s inhabitants. Many emerging and rapidly expanding sectors may also benefit from government support.

3. A greater supply of goods

Governments strive to expand the availability of goods and services to its citizens, such as water, food, and education, among other things. The incentive they give might be in the shape of a tax credit or even in the form of cash directly to the customer. Markets with positive externalities are those that are profitable. Externality An externality is a cost or benefit of an economic activity that is experienced by a third party that is not involved in the economic activity. Those who do not bear the external cost or advantage are typically the ones who profit from such benefits.

Disadvantages of Subsidies

Despite the fact that one of the benefits of subsidies is an increased supply of products, a scarcity of items can also emerge as a result of subsidies. This is due to the fact that decreased pricing might result in a rapid increase in demand, which many companies may find extremely difficult to satisfy. In the end, it might result in a significant increase in demand, which in turn produces a rise in prices.

2. Difficulty in measuring success

Most of the time, subsidies are useful and beneficial. However, if the government were to publish a report on the success it has had in utilizing subsidies, the story would be quite different. This is due to the fact that it is difficult to assess the effectiveness of subsidies.

3. Higher taxes

What methods will the government employ to raise revenue for the purpose of supporting industries? Of course, this will be accomplished by increasing taxes. The general public and companies are therefore responsible for providing the resources necessary to allow the government to support industries.

More Resources

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  • Loss of Deadweight Loss of Deadweight In economics, deadweight loss refers to the reduction in economic efficiency that occurs when the ideal level of supply and demand is not reached. To put it another way, it is
  • Supply and demand are two sides of the same coin. Supply and demand are two sides of the same coin. The rules of supply and demand are microeconomic ideas that assert that in efficient markets, the amount of an item provided and the quantity demanded are equal. Externality Externality An externality is a cost or benefit of an economic activity that is experienced by a third party that is not involved in the economic activity. Although the external cost or benefit is not included, The Influence of a Network The Influence of a Network Generally speaking, the Network Effect is a phenomena in which current consumers of a product or service gain in some manner when the product or service is adopted by more users. Several users contribute to the creation of this impact when they bring value to their use of a particular product. In the case of the Internet, it is the greatest and most well-known example of a network effect.

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