Few countries have a higher GDP per capita than the weighted average of Canada, Mexico and U.S. GDP

In what way may the Fed have contributed to the housing bubble?

A. By inflating housing prices in the early 2000s B. By investing heavily in mortgage-backed securities C. By making credit cheaper with a low Federal funds rate D. By causing unemployment with low money supply growth

Assume that one laborer produces 6 units of output, two laborers produce 14 units, three laborers 22 units, four laborers 24 units, and five laborers 25 units. Diminishing returns set in when the firm hires:

a. the first laborer. b. the second laborer. c. the third laborer. d. the fourth laborer. e. the fifth laborer.