If the marginal propensity to save (MPS) is 0.25, the value of the spending multiplier is:

Goods and services are produced by using four factors of production:

A) land, labor, capital, and entrepreneurshi

A review of U.S. history provides evidence that

(a) class mobility is restricted. (b) race and gender barriers simply cannot be dismantled. (c) the wealthy and idle rich class has deep and permanent roots in the U.S. (d) there are no social barriers that cannot be overcome in the U.S.