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ECON 208 Chapter Notes - Chapter 8-14: Nominal Interest Rate, Rent-Seeking, Paternalism

46 views49 pages
erincheetah2
10 Oct 2017
School
McGill University
Department
Economics
Course
ECON 208
Professor
Irakli Japaridize

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ECON 208 Full Course Notes
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ECON 208 Full Course Notes
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Document Summary

Firms have market power when they can influence the price of their product. A market is said to be competitive when its firms have little or no market power. The more market power the firms have, the less competitive is the market. The extreme form of competitive market structure occurs when each firm has zero market power. This extreme is called a perfectly competitive market. The term competitive behaviour refers to the degree to which individual firms actively vie with another for business. Examples: mastercard and visa engage in competitive behaviour but their market is not competitive, two wheat farmers do not engage in competitive behaviour but they both exist in a very competitive market. Figure 9-1 the demand curve for a competitive industry and for one firm in the industry. Each firm in a perfectly competitive market faces a horizontal demand curve- even though the industry demand curve is downward sloping.

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Related Questions

1. When a profit-maximizing firm produces, they will be producing at that output at which marginal cost = marginal revenue:

  • all of the time
  • some of the time
  • on rare occasions
  • none of the time

2. Economics Profit is:

  • the same as accounting profit
  • sales minus explicit costs and implicit costs
  • sales minus variable costs and fixed costs
  • opportunity cost only

3. A market structure with so many firms that no one firm has any influence over price, and firms produce an identical product is called:

  • monopoly
  • oligopoly
  • perfect competition
  • monopolistic competition

4. Which of the following is NOT a characteristic of a perfectly competitive market?

  • identical products
  • perfect mobility
  • perfect knowledge
  • price maker

5. The demand curve in a perfectly competitive market is perfectly elastic.

  • true
  • false

11. When firms have an incentive to exit a competitive market, their exit will:

a. drive down market prices.

b. drive down the profits of existing firms in the market.

c. decrease the quantity of goods supplied in the market.

d. All of the above are correct.

 

12. If a perfectly competitive firm currently produces where the price is greater than the marginal cost, it:

a. will increase its profits by producing more.

b. will increase its profits by producing less.

c. is making positive economic profits.

d. is making negative economic profits.

 

13. Does a consumer well being vary along a demand curve?

a. Yes. When price increases, consumers move to a lower indifference curve.

b. Yes. When price increases, consumers move to a higher indifference curve.

c. No. When price increases, consumers stay on the same indifference curve.

d. No. When price increases, the higher price has no effect on budget constraints or indifference curves.

e. None of the above

 

14. If a competitive firm sets its output such that marginal revenue, marginal cost, and average total cost are equal, economic profit must be:

a. Negative

b. positive

c. Zero

d. Indeterminate from the given information

 

15. Which of the following is a characteristic of a perfectly competitive market?

a. Firms are price setters.

b. There are few sellers in the market.

c. Firms can exit and enter the market freely.

d. All of the above are correct.


1.
If firms in a monopolistically competitive market are earningpositive profits,
A) firms will likely be subject to regulation.
B) barriers to entry will be strengthened.
C) some firms must exit the market.
D) new firms will enter the market.
2.

Panel c in the set of figures shown is consistent with a firm in amonopolistically competitive market that is


A) earning profit and is in both short-run and long-runequilibrium.
B) earning economic profit and is in short-run equilibrium, but notlong-run equilibrium.
C) earning profit and is in long-run equilibrium, but not short-runequilibrium.
D) earning a negative profit and is not in equilibrium.
3.
When a profit-maximizing firm in a monopolistically competitivemarket is producing the long-run equilibrium quantity,
A) its marginal revenue will exceed its marginal cost.
B) its average revenue will equal its marginal cost.
C) it will be earning positive economic profits.
D) its demand curve will be tangent to its average-total-costcurve.
4.
Monopolistic competition differs from perfect competition becausein monopolistically competitive markets
A) each of the sellers offers a somewhat different product.
B) strategic interactions between firms is vitally important.
C) there are barriers to entry.
D) all firms can eventually earn economic profits.
5.
The free entry and exit of firms in a monopolistically competitivemarket guarantees that
A) economic losses can persist into the long run, but not economicprofits.
B) both economic profits and economic losses can persist into thelong run.
C) economic profits can persist into the long run, but not economiclosses.
D) both economic profits and economic losses disappear in the longrun.
6.


Panel (a) shows a profit-maximizing monopolistically competitivefirm that is

A) All answers are correct
B) earning a zero profit.
C) charging a price that is equal to average total cost.
D) in long-run equilibrium.
7.
Since a firm in a monopolistically competitive market faces a
A) perfectly elastic demand curve, it will always operate withexcess capacity.
B) downward-sloping demand curve, it will always operate atefficient scale.
C) perfectly inelastic demand curve, it will always operate atefficient scale.
D) downward-sloping demand curve, it will always operate withexcess capacity.
8.
In a monopolistically competitive market,
A) firms can enter or exit the market without restriction.
B) each firm takes the price of its product as given.
C) each firm produces a product that is essentially identical tothe products of other firms in the market.
D) there are only a few sellers.
9.
The fact that there is a great deal of advertising of men’s shavingproducts indicates that
A) it costs firms very little to produce those products.
B) the market for those products is perfectly competitive.
C) those products are highly differentiated.
D) All answers are correct
10.
A profit-maximizing firm in a monopolistically competitive marketdiffers from a firm in a perfectly competitive market because thefirm in the monopolistically competitive market
A) has no barriers to entry.
B) faces a downward-sloping demand curve for its product.
C) faces a horizontal demand curve at the market clearingprice.
D) is characterized by market share maximization.