In the short run, firms earning a profit will want to ________ their profits while firms suffering losses will want to ________ their losses.

Suppose the current exchange rate between the Japanese yen and the U.S. dollar is 80 yen = $1. Suppose you can buy more goods in the United States with $10 than you can in Japan with 800 yen. Japan's GDP in dollars will be

A) greater if the current exchange rate, rather than the purchasing power parity exchange rate, is used to convert yen to dollars. B) less if the current exchange rate, rather than the purchasing power parity exchange rate, is used to convert yen to dollars. C) the same whether the current exchange rate or the purchasing power parity exchange rate is used to convert yen to dollars. D) more accurate if the current exchange rate, rather than the purchasing power parity exchange rate, is used to convert yen to dollars.

Suppose Katrina always buys exactly 5 Rain Forest Bars each week, regardless of whether they are regularly priced at $1 or on sale for $0.50 . Based on this information, what is Katrina's price elasticity of demand for Rain Forest Bars?

a. 0 b. -1 c. Infinity d. Answer cannot be determined