The above table shows production points on Sweet-Tooth Land's production possibilities frontier. What is the opportunity cost of one chocolate bar if Sweet-tooth Land moves from point C to point D?

High marginal income tax rates

a. distort incentives to work. b. are used to encourage saving behavior. c. will invariably lead to lower average tax rates. d. are not associated with deadweight losses.

Which of the following is a true statement about the length of recessions and expansions in the United States economy?

A) Prior to 1900, the length of expansions equaled the length of recessions. B) Prior to 1900, the length of expansions were much less than the length of recessions. C) Prior to 1900, the length of expansions were much longer than the length of recessions. D) Prior to 1900, the length of recessions were brief and almost nonexistent.