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Author Question: Suppose the Social Security Administration would like to guarantee the purchasing power of social ... (Read 88 times)

NguyenJ

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on: Jul 1, 2018
Suppose the Social Security Administration would like to guarantee the purchasing power of social security payments to the elderly does not diminish.
 
  That is, the real value of the payments does not decrease. The CPI in 1990 was 130.7 and the CPI in 1998 was 163.0. How much does the Social Security Administration need to increase payments from 1990 to 1998 to accomplish this objective?

Question 2

An investment opportunity has two possible outcomes, and the value of the investment opportunity is 250. One outcome yields a 100 payoff and has a probability of 0.25. What is the probability of the other outcome?
 
  A) 0
  B) 0.25
  C) 0.5
  D) 0.75
  E) 1.0


carolinefletcherr

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Reply #1 on: Jul 1, 2018
Answer to Question 1

The change in the general price level is 100(163-130.7)/130.7 = 25. Thus, the level of payments in 1998 need to be P(1990)(1+0.25).

Answer to Question 2

D


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