An aggregate demand curve indicates the quantities of real GDP demanded at different ______ levels.

If MPL = 3, and MRTS = -4 what is MPK?

A) 12 B) -12 C) 3/4 D) -3/4

Unemployment can be caused by downswings in the business cycle, people changing jobs, different skills needed by employers, or seasonal fluctuations in demand

a. True b. False Indicate whether the statement is true or false