The marginal propensity to save is defined as:

The "double coincidence of wants" is

A) what is needed to use money. B) eliminated with the use of money. C) money's role as a unit of account. D) how value is stored when we transact with money. E) eliminated when we barter instead of using money.

Holding the nonprice determinants of supply constant, a change in price would

a. result in either a decrease in supply or an increase in supply. b. result in a movement along a stationary supply curve. c. result in a shift of demand. d. have no effect on the quantity supplied.