ECON 1050 Lecture Notes - Economic Equilibrium, Economic Surplus

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20 May 2014

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In any market, there are low-cost suppliers, medium-cost suppliers, and high-cost suppliers. Needing to play with the price of a good to find an equal amount of suppliers and buyers. At the equilibrium price, quantity demanded is equal to the quantity supplied. Consumer surplus - consumers were willing to pay more, but didn"t have to pay as much. Producer surplus - extra money from higher prices than needed to cover costs. Efficient markets should maximize welfare for consumers and producers. At the right price, or equilibrium price, the most people possible are made happy, as everyone who can pay the costs for something can get it.

Related Questions

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

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In a perfectly competitive market, in the long run, the marginal cost of a firm becomes equal to its minimum average total cost.

A) True
B) False

Generally, The price a firm charges for its product is equal to its total revenue divided by the number of units sold.

A) True
B) False

In a perfectly competitive firm to maximize profit a firm must make sure that the price it charges does not exceed its marginal cost.

A) True
B) False

Firms in a competitive market can never make economic profits while they may make biasness (accounting) profits.

A) True
B) False

When a perfectly competitive firm is making a positive economic profit its average revenue must be greater than its average total cost.

A) True
B) False

To maximize its profit a firm always produces at the quantity level where it can charge the highest price and earn the greatest revenue; this strategy is consistent with setting is MC equal to price.

A) True
B) False

When a firm in a competitive market is making a positive economic profit its business profit may be positive or negative.

A) True
B) False

In a perfectly competitive market new entries could result in increases in input prices thus making production costs go up.

A) True
B) False

In a perfectly competitive market, in the long run, each firm produces the maximum amount it can produce and charges the lowest price possible. That is why we consider competitive markets efficient.

A) True
B) False

10.

A monopolist always under-produces and charges a price higher than its MC.

A) True
B) False

11.

As the only supplier in the market a monopolist can charge any price it wishes and buyers have no choice but to pay.

A) True
B) False

12.

The marginal revenue is the additional revenue generated by the last unit of labor hired.

A) True
B) False

13.

The price a monopolist charges may or may not be above its average cost but it is always above its MR.

A) True
B) False

14.

When demand curve is a downward-sloping straight line (linear) marginal revenue will be greater than MC at all output leveles.

A) True
B) False

15.

By setting its MR equal to its MC a monopolist determines the output that would maximize its profit.

A) True
B) False

16.

In the long run each competitive firm would produce at the quantity level where its MC is equal to its MR as well as its ATC.

A) True
B) False

17.

A monopoly always makes an economic profit.

A) True
B) False

18.

When a monopoly's ATC is equal to the price it charges it is making normal economic profits.

A) True
B) False

19.

When a monopoly is making a zero economic profit still its MR>ATC.

A) True
B) False

20.

An increase in demand would enable a monopolist to raise its price while reducing its output.

A) True
B) False

21.

The market supply curve in an increasing-cost industry is:

A) a. upward sloping
B) b. downward sloping
C) c. vertical
D) d. horizontal
E) e. none of the above

22.

The total producer surplus is measured by:

A) a. the area between supply and demand curves.
B) b. the difference between the price the consumer is willing and able to pay and the price suppliers wish to charge to maximize their profits.
C) c. the area between the price consumers actually pay and the demand curve.
D) d. the area between the equilibrium market price and the supply curve.
E) e. the consumer willingness to pay as reflected by the equilibrium market price.

23.

. Economists measure economic (social) welfare by the

A) a. net consumer surplus
B) b. sum of consumer and producer surplus
C) c. sum of the net profits made by the industry's competitive firms
D) d. price consumers are willing to pay for one additional unit of a good
E) e. difference between the total consumer surplus and total producer surplus

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ECON 1050 Lecture Notes - Economic Equilibrium, Economic Surplus

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