The interest rate that equates the present value of payments received from a debt instrument with its value today is the

If the U.S. dollar appreciates in the foreign exchange market, U.S. exports will be __________ and U.S. imports will be __________

A) relatively less expensive; relatively less expensive B) relatively less expensive; relatively more expensive C) relatively more expensive; relatively less expensive D) relatively more expensive; relatively more expensive E) unaffected; relatively less expensive

In conducting positive economic analysis, economists apply

A. subjective value judgments. B. the principle of individual sovereignty. C. moral values. D. the scientific method.