ECO 304K Study Guide - Midterm Guide: Competitive Equilibrium, Perfect Competition, Fixed Cost
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Suppose that each firm in a competitive industry has the following costs:
Total Cost: TC=50+1/2 q2
Marginal Cost: MC=q
where q is an individual firm's quantity produced.
The market demand curve for this product is:
Demand QD=140-2P
where P is the price and Q is the total quantity of the good.
Each firm's fixed cost is $__________
What is each firm's variable cost?
_______ 50+1/2q
_______1/2q
_______q
_______1/2q2
Which of the following represents the equation for each firm's average total cost?
_____ 50/q
_______ 50/q+1/2q
_______1/2q
_______50+1/2q
Complete the following table by computing the marginal cost and average total cost for from 5 to 15.
5 | ||
6 | ||
7 | ||
8 | ||
9 | ||
10 | ||
11 | ||
12 | ||
13 | ||
14 | ||
15 |
The average total cost is at its minimum when the quantity each firm produces (q) iquals ________
Which of the following represents the equation for each firm's supply curve in the short run?
_______1/2q2
______q
_____50-q
_____120-1/2q2
In the long run, the firm will remain in the market and produce if________
Currently, there are 8 firms in the market.
In the short run, in which the number of firms is fixed, the equilibrium price is__________ In the short run, in which the number of firms is fixed, the equilibrium price is
________units. Each firm produces ________ nits. (Hint: Total supply in the market equals the number of firms times the quantity supplied by each firm.)
In this equilibrium, each firm makes a profit of _______ . (Note: Enter a negative number if the firm is incurring a loss.)
Firms have an incentive to EXIT/ENTER the market.
In the long run, with free entry and exit, the equilibrium price is _______and the total quantity produced in the market is__________units. There are ________
firms in the market, with each firm producing _________units.
Assume that a firm in a perfectly competitive market can sell its product for $35 (ie price per unit of output). Furthermore, it faces the following costs:
Output (Q) | Total Cost |
0 | 25 |
1 | 50 |
2 | 100 |
3 | 120 |
4 | 155 |
5 | 190 |
6 | 250 |
7 | 390 |
a) Calculate Total revenue (TR), Marginal Cost (MC), Fixed Cost (FC), Variable cost (VC), and Average Cost (AC).
b) What is the profit-maximizing output level?
c) Is this firm is making a profit or loss at the profit-maximizing output level? Explain.
d) Do you think the firm will continue its production in the short run?
e) What will be the long-run price in this market?