Jane supports herself at college by working in a bookstore earning $300 a month, which she spends entirely every month. If she gets a salary increase of $100 a month, she spends $90 more dollars on consumption expenditure. Jane's MPC is equal to

The concept of free trade is based on the principle that countries should specialize in the production of goods for which the

a. absolute advantage is highest b. absolute advantage is lowest c. opportunity cost is highest d. opportunity cost is lowest e. consumers have the highest demand

Which one of the following would be considered to be a risk management technique used by farmers?

A. Changing the parity ratio B. Increasing product demand C. Buying more arable farm land D. Using crop revenue insurance