The sum of consumption (C), investment (I), government spending (G), and net exports (X-M) is called:

There is ________ to how much increases in labor inputs can increase real GDP per capita, and there is ________ to how much increases in labor productivity can increase real GDP per capita

A) a limit; a limit B) a limit; no limit C) no limit; a limit D) no limit; no limit

Suppose the supply curve and the demand curve both have unitary elasticity at all prices. The price increase to consumers resulting from a specific tax of $1 imposed on sellers will be

A) $1. B) 50 cents. C) zero. D) impossible to calculate without knowing the slope of the supply curve.