Which of the following is the source of revenue for Medicare and Social Security in the United States?

Refer to the scenario above. Which of the following statements is true of the terms of trade of tea for coffee?

A) The terms of trade will lie somewhere below 1/3. B) The terms of trade will lie somewhere above 2. C) The terms of trade will lie between 1/3 and 2. D) The terms of trade will equal zero.

Two studies published in the New England Journal of Medicine link the risk of breast cancer to alcohol consumption. Young women who have nine drinks per week were reportedly 150 percent more likely to develop breast cancer. Considering the market for alcohol, an economist would predict a movement

a. up the demand curve as quantity demanded falls. b. up the supply curve as the demand curve shifts. c. down the supply curve as the demand curve shifts. d. down the demand curve as quantity falls.