Actions taken by investors who sell a country's currency in anticipation of buying it back later at a lower price is known as

The demand and cost schedules for a firm in monopolistic competition are in the above tables

What is the profit-maximizing level of output and price? What amount of profit is the firm earning? Is this firm in a short-run or long-run equilibrium? Why?

Suppose the exchange rate between the U.S. dollar and the Jamaican dollar was $1 U.S. = $40 Jamaican dollars. A beach towel sells for $20 in Miami and $60 Jamaican in Negril

A) Purchasing power parity does not prevail with these prices. B) The U.S. dollar would be expected to depreciate. C) The Jamaican dollar would be expected to appreciate. D) All of the above are correct.