The average value added per U.S. farm worker is about __________ times that of farm workers in low- and middle-income countries

The best time to purchase the stock of a corporation capable of generating large earnings in the future is when

A) everyone expects its future earnings to be larger than they are now. B) the price of the stock is lower than it has been in recent years. C) the price of the stock is higher than it has been in recent years. D) you alone expect its future earnings to be larger than they are now. E) you know the corporation has already started to generate large earnings.

In the above table, what is marginal product of labor for the 5th worker?

A) 10 B) 14 C) 9 D) 11.2