Equity Premium Puzzle (EPP)

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Definition of 'Equity Premium Puzzle (EPP)'

The equity premium puzzle is a term used to describe the fact that the returns on stocks have historically been much higher than the returns on bonds. This is puzzling because stocks are riskier than bonds, so investors should expect to earn a higher return on stocks to compensate for the risk. However, the difference in returns between stocks and bonds has been much larger than can be explained by the difference in risk.

There are a number of theories that have been put forward to try to explain the equity premium puzzle. One theory is that investors are risk-averse and are willing to pay a higher price for stocks in order to avoid the risk of losing money on bonds. Another theory is that stocks are more volatile than bonds, and investors demand a higher return to compensate for the risk of losing money on stocks.

The equity premium puzzle is a complex issue, and there is no consensus on why it exists. However, it is an important puzzle that has implications for the way that investors make decisions.

In addition to the theories mentioned above, there are a number of other possible explanations for the equity premium puzzle. One possibility is that the market is inefficient and that stocks are actually undervalued. Another possibility is that there is a risk premium associated with stocks that is not captured by traditional measures of risk. Finally, it is also possible that the equity premium puzzle is simply a statistical anomaly that will eventually disappear.

The equity premium puzzle is a fascinating and important issue that has implications for the way that investors make decisions. However, there is no consensus on why it exists, and it is likely that it will continue to be a topic of debate for many years to come.

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