ECN 410 Problem Set 3
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ECN 410
Problem Set 3
Due Wednesday 11/2
1. Use the DD-AA model to answer the following. Make sure to show the original effects in the goods or asset markets that drive the changes in e and Y in the DD-AA total market:
a) The Fed temporarily contracts the money supply to curb inflationary pressure during an expansionary period of the business cycle.
b) The government in response to a recession pass a temporary tax cut.
c) The domestic economy falls into a recession.
2. How does the effectiveness of fiscal stimulus change when a country fixes its exchange rate? Illustrate using the DD-AA model and explain.
3. Suppose China enters a recession. How would such a business cycle shock abroad spillover to the US? How does the fact that China fixes their exchange rate impact the spillovers? Illustrate and explain.
4. In response to Covid-19, the Fed is rapidly expanding its balance sheet.
a) How are they doing this? Describe the process of a central bank expanding its balance sheet.
b) What are the consequences of such a central bank policy? What is the goal?
c) Is such a policy sustainable indefinitely? How do you know?
2022-11-12