Assume there is a decrease in the number of substitutes for a good produced by a profit-maximizing price-setting firm. All else constant, this would cause the firm's ability to markup price above average cost to:

A savings bank is a depository institution that ________

A) sells shares which it uses to purchase shares in U.S. Treasury bills B) makes mostly home-purchase loans C) is owned by a social or economic group D) makes mostly consumer loans

An estimate is

A) efficient if it has the smallest variance possible. B) a nonrandom number. C) unbiased if its expected value equals the population value. D) another word for estimator.