Market Risk Premium

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Definition of 'Market Risk Premium'

The market risk premium (MRP) is the difference between the expected return on a risky asset and the risk-free rate of return. It is a measure of the additional return that investors require to hold a risky asset over a risk-free asset. The MRP is also known as the risk premium or the equity risk premium.

The MRP is important because it helps investors to determine the appropriate risk-adjusted return for an investment. The MRP can be estimated using a variety of methods, including the capital asset pricing model (CAPM) and the arbitrage pricing theory (APT).

The CAPM is a model that relates the expected return on an asset to its beta, which is a measure of its systematic risk. The APT is a more general model that can be used to estimate the MRP for a wider range of assets.

The MRP is an important concept in finance because it helps investors to understand the relationship between risk and return. The MRP can also be used to make investment decisions and to manage risk.

Here are some additional details about the market risk premium:

* The MRP is a positive number, which means that investors require a higher return on risky assets than on risk-free assets.
* The MRP varies over time and across different asset classes.
* The MRP is often used to explain the difference in returns between stocks and bonds.
* The MRP is a key input into the capital asset pricing model (CAPM).

The MRP is a complex concept, but it is an important one for investors to understand. The MRP can help investors to make better investment decisions and to manage risk.

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