【单选题】Suppose demand curve is expressed by y d =50-x, supply curve is expressed by y s =6+x. when the government set a price celling $20, how much of the shortage will be?
【简答题】Suppose S = $1.25 / ₤ and the 1-year forward rate is F = $1.20 / ₤ . The real interest rate on a riskless government security is 2 percent in both England and the United States . The U.S. inflation ra...