191. When an economist states that a firm is earning zero economic profit, this statement implies that the
firm
will be forced out of business unless market conditions change.
is doing as well as it could in any other line of business.
is earning a zero rate of return on its assets.
could earn a higher rate of return in other industries.
192. When a competitive price-taker market is in long-run equilibrium
the firms in the market will earn zero economic profit.
the average total cost of the firms in the market will be minimized.
every unit of the relevant good that is valued more than its opportunity costs will be
produced and sold.
all of the above are correct.
193. In some industries, like insurance, both small and very large firms coexist and compete quite
effectively in the market. This indicates that the long-run average total cost curve in these industries
is downward sloping over all levels of output.
exhibits constant returns to scale over a wide range of output.
exhibits diseconomies of scale beginning at a low rate of output.
194. In a competitive price taker market, a firm’s short-run supply curve is its
average total cost curve above its average variable cost curve.
marginal cost curve above its average variable cost curve.
marginal cost curve above its average fixed cost curve.
entire marginal cost curve.
195. In some industries, like insurance, both small and very large firms coexist and compete quite
effectively in the market. This indicates that the long-run average total cost curve in these industries
is downward sloping over all levels of output.
exhibits constant returns to scale over a wide range of output.
exhibits diseconomies of scale beginning at a low rate of output.