ECO 1302 Lecture Notes - Lecture 7: Deadweight Loss, Price Elasticity Of Demand, Economic Surplus

51 views2 pages

chocolaterat107

13 Feb 2018

School

St. John's University

Department

ECO - ECONOMICS

Course

ECO 1302

Professor

Mark Zi Long Li

For unlimited access to Class Notes, a Class+ subscription is required.

Document Summary

The difference between the current market price and cost of production for the firm. The total loss of producer and consumer surplus from underproduction or overproduction. Potential causes of deadweight loss from under- and overproduction. Competitive markets are efficient because when supply and demand interact freely, markets produce what people want at the least cost. There are a number of sources of market failure: Monopoly power given firms the incentive to under produce and overprice. The model of supply and demand tells us a good deal about how a change in the price of a good affects behaviour. But knowing the direction of a change in not enough. Economists measure market responsiveness using the concept of elasticity. A general concept used to quantify the response in one variable when another variable change. The ratio of the percentage change in quantity demanded to the percentage change in price. Ped= (%change in quantity demanded) (%change in price)

Related Questions

Under a binding price ceiling, what does the change in consumer surplus represent?
A) The gain in surplus for those buyers who can still purchase the product at the lower price.
B) The loss in surplus for those buyers who previously purchased some units of the good at the higher price, but these units are no longer produced at the lower price.
C) The loss in surplus for those buyers who would like the purchase the excess demand created by the price ceiling policy.
D) Both A and B are correct.
E) Both A and C are correct.

When the market price is held above the competitive level, the deadweight loss is composed of:

A) producer surplus losses associated with units that used to be traded on the market but are no longer exchanged.

B) consumer surplus losses associated with units that used to be traded on the market but are no longer exchanged.
C) producer and consumer surplus losses associated with units that used to be traded on the market but are no longer exchanged.
D) There is no deadweight loss if the government uses a price floor policy to increase the price.

Compared to a tariff, an import quota, which restricts imports to the same amount as the tariff, will leave the country as a whole
A) worse off than a comparable tariff.
B) not as bad off as a comparable tariff.

C) about the same as a comparable tariff.

D) Any of the above can be true.

What is the welfare impact of a subsidy policy?
A) Producer surplus increases, consumer surplus declines, and total welfare declines.
B) Producer and consumer surplus increase, and these gains are larger than the government cost.

C) Producer and consumer surplus increase, and these gains are smaller than the government cost.

D) Producer surplus increases, consumer surplus declines, and total welfare increases due to the subsidy program.

Why is there a deadweight loss associated with subsidy payments?
A) There is no deadweight loss from a subsidy.
B) Quantity supplied is less than the equilibrium amount, so consumers and producers lose surplus value on those units that are no longer produced.
C) Quantity supplied exceeds the equilibrium amount, and consumer willingness to pay for these additional units is smaller than the marginal cost of producing them.
D) The subsidy payment does not distort quantities in the market, but the government cost exceeds consumer willingness to pay for the quantity demanded.

violetmole943

17. Which of the following is a determinant of supply?

A. Tastes and preferences

B. Price of a complementary good

C. Consumer income

D. Technology

18. A market is in equilibrium:

A. provided there is no surplus of the product

B. at all prices above that shown by the intersection of the supply and demand curves

C. if the amount producers want to sell is equal to the amount consumers want to buy

D. whenever the demand curve is downsloping and the supply curve is upsloping.

19. If the market price is above the equilibrium price:

A. A shortage will occur and producers will produce more and lower prices

B. A surplus will occur and producers will produce less and lower prices

C. A surplus will result and consumers will bid prices up

D. Producers will make extremely high profits

20. The market system automatically corrects a surplus condition in a competitive market by:

A. Raising the price of the commodity in question while increasing the quantity demanded

B. Raising the price of the commodity in question while decreasing the quantity demanded

C. Reducing the price of the commodity in question while increasing the quantity demanded

D. Reducing the price of the commodity in question while decreasing the quantity demanded

21. The price elasticity of demand measures:

A. buyer responsiveness to price changes.

B. the extent to which demand curve shifts as incomes change.

C. the slope of the demand curve.

D. how far business executives can stretch their fixed costs

22. The elasticity of demand for a product is likely to be greater:

A. if the product is a necessity, rather than a luxury good.

B. the greater the amount of time over which buyers adjust to a price change

C. the smaller the proportion of one's income spent on the product.

D. the smaller the number of substitute products available.

23. Market failure is said to occur whenever:

A. private markets do not allocate resources in the most economically desirable way

B. prices rise

C. some consumers who want a good do not obtain it because the price is higher than they are willing to pay

D. government intervenes in the functioning of private markets.

24. A negative externality or spillover cost occurs when:

A. firms fail to achieve allocative efficiency.

B. firms fail to achieve productive efficiency.

C. the price of the good exceeds the marginal cost of producing it.

D. the total cost of producing a good exceeds the costs borne by the producer

violethare146

15. The inverse demand function for bananas is pa=20-9d and the inverse supply function is Ps= 9s, where prices are measured in cents and bananas are measured in pounds. a. If there are no taxes or subsidies, what is the equilibrium quantity? What is the equilibrium market price? (3 marks) b. If a subsidy of 2 cents per pound is paid to banana growers, what is the new equilibrium price and quantity? How much do growers receive per pound? How much do consumers pay per pound? (4 marks) c. Compute the change in the consumer and producer surplus? Show clearly on the graph? Does the subsidy cause a deadweight loss? If so, how large. Explain using a suitable diagram. (5 marks) Express the change in price as a percentage of the original price. If the cross-elasticity of demand between bananas and apples is +0.5, what will happen to the quantity of apples demanded as a consequence of the banana subsidy (assume the price of apples stays constant). State your answer in terms of a percentage change. (4 marks)

ECO 1302 Lecture Notes - Lecture 7: Deadweight Loss, Price Elasticity Of Demand, Economic Surplus

Document Summary

Get access

Related textbook solutions

Principles of Economics

Principles of Macroeconomics

Principles of Microeconomics

Related Documents

ECO 1302 Lecture Notes - Lecture 6: Price Ceiling, Shortage, Demand Curve

ECO 1302 Lecture Notes - Lecture 11: Marginal Revenue, Marginal Cost, Perfect Competition

ECO 1302 Lecture Notes - Lecture 5: Ceteris Paribus, Demand Curve, Normal Good

Related Questions