Exercise Set 8
INFLATION


I. Objectives

II. Data

III. Questions

  1. From the BLS web site*:
    1. Obtain the CPI values for the following months (Use Consumer Price Index - All Urban Consumers, Not Seasonally Adjusted.)
      • April 2011: __________
      • March 2012: _________
      • April 2012: __________
    2. Compute the following:
      1. Percent change in the CPI from March 2012 to April 2012: _____________%. 
      2. Percent change in the CPI from April 2011 to April 2012: _____________%. (This is the annual rate of inflation.)
    3. The base period employed by the BLS for computing the CPI is _____________.
  2. Changes in the CPI provide a measure of inflation in the economy. What are the shortcomings of this approach?
  3. The govt. ties Social Security payments to the CPI in order to help maintain the purchasing power of the elderly. Some argue that this system is overly generous to the elderly, while others assert that tying Social Security to the CPI fails to adequately protect purchasing power. What are the arguments in this debate?
  4. If inflation rises unexpectedly, the ones who stand to gain are [ lenders / borrowers ]. Explain.
  5. If the nominal interest rate is 8% and the expected annual rate of inflation is 3%, the real interest rate will be ___________%. 
  6. If the real interest rate remains constant, an increase of 3% in expected inflation will be accompanied by a [ 3% increase / 3% decrease ] in the nominal interest rate. Explain.
  7. A sudden, unanticipated fall in inflation will leave bond holders [ better off / worse off ]. Explain.
  8. Suppose nominal GDP grows by 4% in 2015.
    1. What additional data do you need to compute the growth rate of  the economy's output of goods and services in 2015?
    2. If real GDP grows by 3% in 2015, what can we conclude about inflation in 2015? Explain.
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*
Go to http://www.bls.gov/cpi/data.htm (opens in a new window) and follow these steps:

Solution

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