Suppose than an economy has output Y = A , that Y equals $42 trillion, capital K is $64 trillion, and labor L is 125 million workers. Given this information, what is the closest approximation of total factor productivity A?

Barriers to entry enable many monopolists to

A) charge as high a price as they want. B) make people buy more of a good than they really want. C) earn economic profits in the long run. D) manipulate the government into providing special favors for themselves.

A bond that pays no annual interest (or coupons) and has a face value at maturity will fetch a price today that is equal to the:

A. Future value of its face value B. Number of years in the life of the bond times its face value C. Present value of the number of years in the life of the bond times its face value D. Present value of its face value