Suppose that the rate on 3-month treasury bills is (on a yearly basis) 10% in London and 6% in New York and the spot rate of the pound is $2.00.
a. How can a US investor undertake uncovered interest arbitrage?
b. What happens if the spot rate of the pound in 3 months is $1.99? 1.98? 1.96?
c. How can the US investor undertake covered interest arbitrage if the pound is at a 3-month forward discount of 1% (per year)? How would the US investor earn on his foreign investment?