In a market system, the "What will be produced?" question is ultimately decided by

A common source of diseconomies of scale is the

A) diminishing marginal returns to capital. B) diminishing marginal returns to labor. C) diminishing marginal returns to land. D) growing complexity of management and organizational structure.

Investment and saving decisions are assumed by economists to depend on the ________ interest rate

A) expected nominal B) nominal C) expected real D) real