Assuming the inverse demand function for good Z can be written as P = 90 - 3Q, when P = 20, the point price elasticity of demand is equal to (approximately):

If airports decide to compensate people who suffer from airplane noise because their homes are under the runway approaches, to whom should they offer monetary payments? The people who

A) actually live in affected residences. B) are bothered by the noise but themselves never travel on commercial airlines. C) both own affected residences and live in them. D) either own affected residences or live in them. E) own affected residences whether or not they live in them.

An autonomous rise in ________ shifts the LM curve to the ________, everything else held constant

A) net exports; right B) net exports; left C) money demand; right D) money demand; left