[Explaining movements in the yuan-dollar exchange rate] Go to the Web site of the Federal Reserve Bank of St. Louis Federal Reserve (FRED) (research.stlouisfed.org/fred2/) and find the values for the China/U.S. Foreign Exchange Rate (DEXCHUS) from 1981 to the most recent date available.
a. Compared with its value in 1981, has the yuan appreciated or depreciated against the U.S. dollar? Briefly explain.
b. Summarize the movements in the yuan-dollar exchange rate during these years and explain why the pattern occurred.