P1 Nominal and real rates. Tyra loves to shop at her favorite store, Dollar Barrel, where she can find hundreds of items priced at exactly $1. Tyra has $200 to spend and is thinking of going on a shopping spree at Dollar Barrel, but she is also thinking of investing her money. a. Suppose the expected rate of inflation is 17. (so next year, everything at Dollar Barrel will cost $1.01) and b. Now suppose that the expected inflation rate is 10% and Tyra can earn 20% on money that she invests over the year. What is the approximate real rate of interest that Tyra will earn? Calculate the number of items that Tyra could buy next year from Dollar Barrel if she invests her money. What is the percentage increase in her purchasing power if she waits a year to go shopping?

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Chapter1: Making Economics Decisions
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P1 Nominal and real rates. Tyra loves to shop at her favorite store, Dollar Barrel, where she can find
hundreds of items priced at exactly $1. Tyra has $200 to spend and is thinking of going on a shopping spree at
Dollar Barrel, but she is also thinking of investing her money.
a. Suppose the expected rate of inflation is 1% (so next year, everything at Dollar Barrel will cost $1.01) and
b. Now suppose that the expected inflation rate is 10% and Tyra can earn 20% on money that she invests over
the year. What is the approximate real rate of interest that Tyra will earn? Calculate the number of items
that Tyra could buy next year from Dollar Barrel if she invests her money. What is the percentage increase
in her purchasing power if she waits a year to go shopping?
Answer fill in the blue bozes below.
a. 1.) Approximately what real rate of interest could Tyra earn if she invests her money?
Nominal interest rate
Expected inflation
Approximate real rate
2.) How many items can she buy at Dollar Barrel today, and how many can she buy a year from now if she
$200
$1
5%
17.
Money today
Cost per item today
Items buy today
Money in one year
Cost per item in one year
Items buy in one year
3.) What is the percentage increase in Tyra's purchasing power if she waits a year to go shopping?
Items buy today
Items buy in one year
Change in purchasing po
200
207.92
Transcribed Image Text:P1 Nominal and real rates. Tyra loves to shop at her favorite store, Dollar Barrel, where she can find hundreds of items priced at exactly $1. Tyra has $200 to spend and is thinking of going on a shopping spree at Dollar Barrel, but she is also thinking of investing her money. a. Suppose the expected rate of inflation is 1% (so next year, everything at Dollar Barrel will cost $1.01) and b. Now suppose that the expected inflation rate is 10% and Tyra can earn 20% on money that she invests over the year. What is the approximate real rate of interest that Tyra will earn? Calculate the number of items that Tyra could buy next year from Dollar Barrel if she invests her money. What is the percentage increase in her purchasing power if she waits a year to go shopping? Answer fill in the blue bozes below. a. 1.) Approximately what real rate of interest could Tyra earn if she invests her money? Nominal interest rate Expected inflation Approximate real rate 2.) How many items can she buy at Dollar Barrel today, and how many can she buy a year from now if she $200 $1 5% 17. Money today Cost per item today Items buy today Money in one year Cost per item in one year Items buy in one year 3.) What is the percentage increase in Tyra's purchasing power if she waits a year to go shopping? Items buy today Items buy in one year Change in purchasing po 200 207.92
3.) What is the percentage increase in Tyra's purchasing power if she waits a year to go shopping?
Items buy today
Items buy in one year
Change in purchasing po
Compare your answer to the approximate real interest rate on Tyra's investment.
The actual change in purchasing power is nearly the same as the approximate real interest rate.
b. 1.) What is the approximate real rate of interest that Tyra will earn?
Nominal interest rate
Expected inflation
200
207.92
Money in one year
Cost per item in one year
Items buy in one year
20%
10%
Approximate real rate
2.) Calculate the number of items that Tyra could buy next year from Dollar Barrel if she invests her
Money today
$200
$1
Cost per item today
Items buy today
3.) What is the percentage increase in her purchasing power if she waits a year to go shopping?
Items buy today
Items buy in one year
Change in purchasing po
200
218.18
Transcribed Image Text:3.) What is the percentage increase in Tyra's purchasing power if she waits a year to go shopping? Items buy today Items buy in one year Change in purchasing po Compare your answer to the approximate real interest rate on Tyra's investment. The actual change in purchasing power is nearly the same as the approximate real interest rate. b. 1.) What is the approximate real rate of interest that Tyra will earn? Nominal interest rate Expected inflation 200 207.92 Money in one year Cost per item in one year Items buy in one year 20% 10% Approximate real rate 2.) Calculate the number of items that Tyra could buy next year from Dollar Barrel if she invests her Money today $200 $1 Cost per item today Items buy today 3.) What is the percentage increase in her purchasing power if she waits a year to go shopping? Items buy today Items buy in one year Change in purchasing po 200 218.18
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