You are given the following consumption function C = 50 + .80YD. What is the amount of autonomous consumption expenditures?

A persistent surplus of pounds at a given fixed exchange rate (in dollars per pound) is evidence that the pound is ________ versus the dollar. This surplus can be reduced or eliminated through a ________ of the pound

A) overvalued; revaluation B) overvalued; devaluation C) undervalued; devaluation D) undervalued; revaluation

In the model of public goods

A) government spending is pure waste B) private consumption and government spending are equal. C) consumers benefit from private goods and public goods. D) the government provides goods at no cost to the public.