Treasury bills are currently paying 4.6 percent and the inflation rate is 1.9 percent. a. What is the approximate real rate of interest? (Enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. What is the exact real rate? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) a. Approximate real rate % b. Exact real rate %

Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
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**Understanding Treasury Bills: Real Rate of Interest**

**Treasury bills are currently paying 4.6 percent and the inflation rate is 1.9 percent.**

**a. What is the approximate real rate of interest?** 
(*Enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.*)

**b. What is the exact real rate?** 
(*Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.*)

| a. Approximate real rate | _______ % |
|:------------------------:|----------|
| b. Exact real rate       | _______ % |

### Explanation:
To determine the real rate of return or interest, which accounts for inflation, we have two methods: the approximate method and the exact method.

1. **Approximate Real Rate Calculation:**
   The approximate real rate can be found using the formula:
   \[
   \text{Approximate Real Rate} \approx \text{Nominal Rate} - \text{Inflation Rate}
   \]

2. **Exact Real Rate Calculation:**
   The exact real rate can be calculated using the formula:
   \[
   \text{Exact Real Rate} = \frac{1 + \text{Nominal Rate}}{1 + \text{Inflation Rate}} - 1
   \]
   Here, the rates need to be in decimal form before doing the calculations. 

These calculations help in understanding the purchasing power growth taking into account inflation.

*Note: Fill in your calculated values in the provided table's blank spaces.*
Transcribed Image Text:**Understanding Treasury Bills: Real Rate of Interest** **Treasury bills are currently paying 4.6 percent and the inflation rate is 1.9 percent.** **a. What is the approximate real rate of interest?** (*Enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.*) **b. What is the exact real rate?** (*Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.*) | a. Approximate real rate | _______ % | |:------------------------:|----------| | b. Exact real rate | _______ % | ### Explanation: To determine the real rate of return or interest, which accounts for inflation, we have two methods: the approximate method and the exact method. 1. **Approximate Real Rate Calculation:** The approximate real rate can be found using the formula: \[ \text{Approximate Real Rate} \approx \text{Nominal Rate} - \text{Inflation Rate} \] 2. **Exact Real Rate Calculation:** The exact real rate can be calculated using the formula: \[ \text{Exact Real Rate} = \frac{1 + \text{Nominal Rate}}{1 + \text{Inflation Rate}} - 1 \] Here, the rates need to be in decimal form before doing the calculations. These calculations help in understanding the purchasing power growth taking into account inflation. *Note: Fill in your calculated values in the provided table's blank spaces.*
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