Initially, all firms in a perfectly competitive market are in long-run equilibrium. Assume that the market demand for the product produced by the firms in the market suddenly rises. Suppose the following graph shows the marginal revenue (MR) and marginal cost (MC) curves of a firm in this market at its initial long-run equilibrium, with an equilibrium price of P₁ and a profit-maximizing quantity of output of Q₁. Show the short-run effect of the increase in market demand on this firm by shifting the marginal revenue curve, the marginal cost curve, or both on the following graph. PRICE AND COST MC Q₂ QUANTITY In the short run, the firm will respond by producing In the long run, some firms will respond by PRICE MR QUANTITY Supply 6 6 Demand MR MC Shift the demand curve, the supply curve, or both on the following graph to illustrate both the short-run effects and the new long-run equilibrium after firms finish adjusting to the increase in market demand. the industry. -0 (?) Demand -0 Supply goods and ? Assuming the firm that is in the industry before the change in market demand continues to operate in the long run, it will respond by producing output than it did in the short-run equilibrium as indicated above.

Microeconomic Theory
12th Edition
ISBN:9781337517942
Author:NICHOLSON
Publisher:NICHOLSON
Chapter12: The Partial Equilibrium Competitive Model
Section: Chapter Questions
Problem 12.9P
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Initially, all firms in a perfectly competitive market are in long-run equilibrium. Assume that the market demand for the product produced by the firms
in the market suddenly rises.
Suppose the following graph shows the marginal revenue (MR) and marginal cost (MC) curves of a firm in this market at its initial long-run
equilibrium, with an equilibrium price of P₁ and a profit-maximizing quantity of output of Q₁.
Show the short-run effect of the increase in market demand on this firm by shifting the marginal revenue curve, the marginal cost curve, or both on
the following graph.
PRICE AND COST
2
MC
Q₂
QUANTITY
In the short run, the firm will respond by producing
In the long run, some firms will respond by
PRICE
MR
QUANTITY
Supply
MR
Demand
O
Shift the demand curve, the supply curve, or both on the following graph to illustrate both the short-run effects and the new long-run equilibrium
after firms finish adjusting to the increase in market demand.
MC
the industry.
Demand
goods and
Supply
Assuming the firm that is in the industry before the change market demand continues to operate in the long run, it will respond by producing
output than it did in the short-run equilibrium as indicated above.
Transcribed Image Text:Initially, all firms in a perfectly competitive market are in long-run equilibrium. Assume that the market demand for the product produced by the firms in the market suddenly rises. Suppose the following graph shows the marginal revenue (MR) and marginal cost (MC) curves of a firm in this market at its initial long-run equilibrium, with an equilibrium price of P₁ and a profit-maximizing quantity of output of Q₁. Show the short-run effect of the increase in market demand on this firm by shifting the marginal revenue curve, the marginal cost curve, or both on the following graph. PRICE AND COST 2 MC Q₂ QUANTITY In the short run, the firm will respond by producing In the long run, some firms will respond by PRICE MR QUANTITY Supply MR Demand O Shift the demand curve, the supply curve, or both on the following graph to illustrate both the short-run effects and the new long-run equilibrium after firms finish adjusting to the increase in market demand. MC the industry. Demand goods and Supply Assuming the firm that is in the industry before the change market demand continues to operate in the long run, it will respond by producing output than it did in the short-run equilibrium as indicated above.
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