In: Economics
Suppose that Bob produces electric bikes in a competitive market. For simplicity, assume that there are no fixed costs to produce e-bikes. Illustrate two graphs side by side. On left- hand side graph, present the firm. On the right-hand side graph, present the corresponding market. For the firm draw a smooth U-shaped average cost curve and a corresponding marginal cost curve. For the market, draw a demand curve and short-run supply curve that provides positive economic profit for the firm. Illustrate those positive profits on the firm’s graph. Also, show the long-run supply curve that would result.
Bob produces electric bikes in a competitive market. There are
no fixed costs to produce e-bikes. Competitive firm is a price
taker .Price in competitive industry would determine the supply and
demand forces in the industry. . Price of product is determined by
the market demand curve and market supply curve when they are
equal.The determined price of industry is taken by the firm.
Therefore ,firm is a price taker .Right hand side graph shows the
price determination of competitive industry . Demand curve Dd and
supply curve Ss determine the price level P1 in the market where
the firm can attain positive economic profit. Left side graph shows
he equilibrium of firm and positive economic profit of ( super
normal profit) . A competitive firm faces a horizontal demand curve
and average revenue curve, because there is only one price.That is
price=average revenue = marginal revenue. Demand curve faced by
competitive firm is perfectly elastic. AR curve of a seller is the
demand curve of buyer. Firm maximizes profit when its marginal cost
curve cuts marginal revenue curve Below. Firm attain positive
economic profit when average cost would be less than average
revenue of firm. Average cost curve will be less than average
revenue curve. The positive economic profit is the shaded rectangle
PABC The long run supply curve of firm will be rising portion of MC
curve from minimum long run AC curve. Long run supply curve of
industry is negatively sloped due to decreasing cost condition
.Because average cost is less than average curve.