1981, many interest rates in the United States were 15%, but the inflation rate was 10%. In 2015, many interest rates were less than 1%, and the inflation rate was 2%. a. What were the real interest rates in 1981 and 2015? b. all else equal, how does the drop in interest rates between 1981 and 2015 affect the quantity of loanable funds supplied?

Exploring Economics
8th Edition
ISBN:9781544336329
Author:Robert L. Sexton
Publisher:Robert L. Sexton
Chapter21: Financial Markets, Saving, And Investment
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In 1981, many interest rates in the United States were 15%, but the inflation rate was 10%. In 2015, many interest rates were less than 1%, and the inflation rate was 2%. a. What were the real interest rates in 1981 and 2015? b. all else equal, how does the drop in interest rates between 1981 and 2015 affect the quantity of loanable funds supplied? Question 2. Recently, the economies of China and India have begun to grow very rapidly. This increases their citizens’ income and wealth. In turn, these citizens increase their savings in their country and also in the United States. a. When foreign savings enter the U.s. loanable funds market, which curve is affected—supply or demand? How is this curve affected? b. How would you graph the U.s. loanable funds market both before and after the increase in foreign savings? c. How does the change in foreign savings affect both investment and future output in the United states? Question 3. Bond A pays Rs. 80,000 in 20 years. Bond B pays Rs. 80,000 in 40 years. (To keep things simple, assume these are zero-coupon bonds, which means the Rs80,000 is the only payment the bond holder receives.) a. If the interest rate is 3.5 percent, what is the value of each bond today? Which bond is worth more? Why? (Hint: You can use a calculator, but the rule of 70 should make the calculation easy.) b. If the interest rate increases to 7 percent, what is the value of each bond? Which bond has a larger percentage change in value? c. Based on the example above, complete the two blanks in this sentence: “The value of a bond [rises/falls] when the interest rate increases, and bonds with a longer time to maturity are [more/less] sensitive to changes in the interest rate.”
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