Which of the following decisions best reflects marginal thinking?

The ________ the expected future exchange rate, the greater is the expected profit from holding dollars and so the ________

A) higher; demand curve for dollars shifts rightward B) lower; supply curve of dollars shifts rightward C) higher; demand curve for dollars shifts leftward D) higher; supply curve of dollars shifts rightward E) lower; demand curve for dollars shifts leftward

Most successful examples of modern economic growth have occurred in a country with

a. a temperate-zone climate. b. a market economy. c. exports of manufactured goods. d. all of the above.