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An upward-sloping portion of a long-run average total cost curve is the result of economies of scale

Economics Oct 31, 2020

An upward-sloping portion of a long-run average total cost curve is the result of economies of scale. True False
When a firm is operating in a price-taker market, marginal revenue is always greater than the market price. True O False
Demand will be more price inelastic, when the number of "good" substitutes available to consumers is small. True False
Over time, there has been less risk of a low or negative return on stock market investments when a portfolio of stocks has been held by investors for a greater amount of years. True False

Expert Solution

Answer option (false

In the long run economies turn into diseconomies of scale. Hence the long run average cost curve starts sloping positively. It rises. Thus, the positive sloped (i.e., rising) part of the long run average total cost curve is due to diseconomies of scale.

Part B)false

In a perfect competition in price taking we marginal revenue is equal to Market price.

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