Assignment:
1.For each of the following market structure characteristics, insert the correct Market Type(s). There may be more than one. Use these abbreviations: PC - perfect competition; MC - monopolistic competition; and M - monopoly.
Market Structure Characteristic
|
Market Type
|
Advertising is not effective for the individual firm.
|
|
MR
|
|
The seller is a price-taker.
|
|
Neither an individual buyer nor seller can affect the market demand and supply curves.
|
|
Long-run economic profits are possible.
|
|
In long run equilibrium, each supplier produces where SRATC and LRATC are at a minimum.
|
|
Advertising is used extensively.
|
|
In equilibrium, P = MR = MC.
|
|
Profits are maximized at the output where MR = MC
|
|
P>MR
|
|
Product is unique.
|
|
In equilibrium, products cannot be produced at a lower cost or sold at lower price.
|
|
Economies of scale are often a barrier to entry.
|
|
Products have many close substitutes.
|
|
2. A firm sells its product in a perfectly competitive market where other firms charge a price of $80 per unit. The firm's costs are C(Q) = 40 + 8Q + 2Q2. Show your computations.
a. How much output should the firm produce in the short-run?
b. What price should the firm charge in the short-run?
c. What are the firm's short-run profits?
d. What adjustments should be anticipated in the long-run?