Following adjustments to a new equilibrium in a market, the market clearing price remains unchanged, but the equilibrium quantity is now lower. Which of the following could definitely have caused this outcome?

The country of Robinya has a tax system identical to that of the United States. Suppose someone in Robinya bought a parcel of land for 10,000 deera (the local currency) in 1970 when the price index equaled 100 . In 2010, the person sold the land for 100,000 deera, and the price index equaled 500 . The tax rate on nominal capital gains was 20 percent. Compute the taxes the person paid on the

nominal gain and the change in the real value of the land in terms of 2010 prices to find the after-tax real rate of capital gain. a. -20 percent b. 20 percent c. 42 percent d. 64 percent

Which one of the following is not prohibited by the original Clayton Act?

A. The purchase of the stocks of rival firms that lessens competition. B. The purchase of the assets of rival firms that lessens competition. C. An exclusive dealer or tying agreements that lessen competition. D. Price discrimination that lessens competition.