Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Suppose you are given the following information about a particular industry:
QD = 6500 – 100P Market Demand
QS = 1200P Market Supply
TC(q) = 722 + q2/200 Individual firm’s total cost function
MC(q) = q/100 Individual firm’s marginal cost function
Assume that all firms are identical and that the market is characterized by
- Find an individual firm’s supply curve.
- How many firms are there currently in the market?
- Find the
equilibrium price andequilibrium market quantity. - How much is output supplied by each firm, and how much profit does each firm make in the short run?
- Would you expect to see entry into or exit from the industry in the long run? Explain.
- What effect will entry or exit have on the
market equilibrium ? Find the long-run equilibrium price, the number of firms, and the amount of output each firm produces in the long run.
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