(i) The Chinese Renminbi (RMB) is very strong against the US dollar due to increased supply of dollars and has moved from 8 RMB/$1 to 6 RMB/$1. The People Bank of china decides to intervene by selling Renminbi and buying US dollars to move the exchange rate to 7RMB/$1. The intervention is of the non sterilized kind. Using a diagram for the supply and demand for dollars in the forex market, illustrate and comment on the intervention undertaken by the People Bank of China. Also comment on the implications of the intervention for the money supply in China and Chinese short term interest rates.

Brief Principles of Macroeconomics (MindTap Course List)
8th Edition
ISBN:9781337091985
Author:N. Gregory Mankiw
Publisher:N. Gregory Mankiw
Chapter14: A Macroeconomic Theory Of The Open Economy
Section: Chapter Questions
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Question 4
(i)
The Chinese Renminbi (RMB) is very strong against the US dollar due to
increased supply of dollars and has moved from 8 RMB/$1 to 6 RMB/$1. The
People Bank of china decides to intervene by selling Renminbi and buying US
dollars to move the exchange rate to 7RMB/$1. The intervention is of the non
sterilized kind. Using a diagram for the supply and demand for dollars in the forex
market, illustrate and comment on the intervention undertaken by the People
Bank of China. Also comment on the implications of the intervention for the money
supply in China and Chinese short term interest rates.
(ii)
Assume that you start by borrowing either $100,000 or 10,500,000 Japanese
Yen. Using a starting yen per dollar exchange of 105 Yen per dollar and a one-
year US interest rate of 5% and one-year Japanese interest rate of 0.5%. Explain
how a hedge fund can use the carry trade to make profits or incur losses. In your
answer, show the profits or losses in both dollars and yen in the following four
cases [(i) to (iv)] making it clear in each case what the profit or loss is in both yen
and dollars.
(a) The exchange rate stays the same at 105 yen per dollar.
(b) The exchange rate moves to 75 yen per dollar
(ic) The exchange rate moves to 125 yen per dollar
(d) State the breakeven exchange rate for the carry trade
Transcribed Image Text:Question 4 (i) The Chinese Renminbi (RMB) is very strong against the US dollar due to increased supply of dollars and has moved from 8 RMB/$1 to 6 RMB/$1. The People Bank of china decides to intervene by selling Renminbi and buying US dollars to move the exchange rate to 7RMB/$1. The intervention is of the non sterilized kind. Using a diagram for the supply and demand for dollars in the forex market, illustrate and comment on the intervention undertaken by the People Bank of China. Also comment on the implications of the intervention for the money supply in China and Chinese short term interest rates. (ii) Assume that you start by borrowing either $100,000 or 10,500,000 Japanese Yen. Using a starting yen per dollar exchange of 105 Yen per dollar and a one- year US interest rate of 5% and one-year Japanese interest rate of 0.5%. Explain how a hedge fund can use the carry trade to make profits or incur losses. In your answer, show the profits or losses in both dollars and yen in the following four cases [(i) to (iv)] making it clear in each case what the profit or loss is in both yen and dollars. (a) The exchange rate stays the same at 105 yen per dollar. (b) The exchange rate moves to 75 yen per dollar (ic) The exchange rate moves to 125 yen per dollar (d) State the breakeven exchange rate for the carry trade
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