Which of the following assets is most liquid?

An economic model suggests that an additional year of education increases a student's future wages by 15 percent. Using this model, answer the following questions:

a) Gary completes 8 years of education, and John completes 9 years of education. If Gary earns $20 per hour, how much is John expected to earn? b) John completes 9 years of education, and Kevin completes 12 years of education. Given John's earnings [as calculated in a)], how much is Kevin expected to earn? c) Is there any limitation to such a model? Explain your answer.

In the market for foreign-currency exchange, capital flight shifts

a. the demand curve right. b. the demand curve left. c. the supply curve right. d. the supply curve left.