# Suppose initially that two assets, A and B, will each make a single guaranteed payment of \$100 in 1year. But asset A has a current price of \$80 while asset

Suppose initially that two assets, A and B, will each make a single guaranteed payment of \$100 in 1year. But asset A has a current price of \$80 while asset B has a current price of \$90.
a. What are the rates of return of assets A and B at their ,current prices? Given these rates of return, which asset should investors buy and which asset should they sell?
b. Assume that arbitrage continues until A and B have the same expected rate of return. When arbitrage ends, will A and B have the same price?
Next, consider another pair of assets, C and D. Asset C will make asingle payment of \$150 in one year, while D will make a single payment of \$200 in one year. Assume that the current price of C is \$120 and that the current price of D is \$180.
c. What are the rates of return of assets C and D at their current prices? Given these rates of return, which asset should investors buy and which asset should they sell?
d. Assume that arbitrage continues until C and D have the same expected rate of return. When arbitrage ends, will C and D have the same price?
Compare your answers to questions a through d before answering question e. e. We know that arbitrage will equalize rates of return. Does it also guarantee to equalize prices? In what simations will it equalize prices?

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