If the U.S. interest rate differential increases, in the foreign exchange market the demand for U.S. dollars ________ and the supply of U.S. dollars ________

Explicit costs are

A) costs that are measured in dollars. B) costs that do not involve an exchange of money. C) the same as opportunity costs. D) the same as implicit costs.

The absolute value of the slope of an indifference curve is called the:

a. marginal rate of transformation. b. transitivity slope. c. indifference rate of preference. d. marginal rate of substitution.