________ keeps the exchange rate fixed in the short run but then adjusts its value at regular intervals to account for supply and demand pressures

If Shaniq is a risk averse, then

A) her cost of risk exceeds $0. B) she has diminishing marginal utility of wealth. C) she is willing to buy insurance if the cost of insurance is low enough. D) all of the above.

Which of the following is not a characteristic of a perfectly competitive market? a. Firms are price takers

b. Individual firms are price setters. c. Firms are able to sell all of the output that they choose to produce. d. Firms produce identical goods.