Suppose a market has the demand function Qd=20-0.5P. Using the midpoint method, what is the price elasticity of demand between $30 and $40?

A bowed production possibilities curve is consistent with

A) a decreasing opportunity cost. B) a technologically inefficient society. C) the overutilization of productive resources. D) highly specialized resources.

Which of the following is not a concern about nudge policies?

A. It is unclear that government knows best. B. Designing helpful policies is complicated. C. Nudge policy is not strong enough to have much of an effect. D. Very few policies meet the criterion of libertarian paternalism.