The Equity Risk Premium: The Long-Run Future of the Stock Market

Customer Reviews

The thesis of the book is that the equity risk premium for stocks, which is the compensation given to equity investors for holding shares of risky common stocks, was below, perhaps much below, what was historically normal. This implied that investors came to view common stocks as being a much less risky investment than stocks had been in the past. Indeed, a quite common view of many investors before the recent fall in the stock market was the view that common stock were an appropriate vehicle for "savings" rather than just for "investment." The implication of this perception by some investors is that equities in general were likely to continue to rise in price over time and thus represented a "safe" or at least low risk vehicle for discretionary income that was not spent.

However, periods of relative low perceived risk usually do not last and are followed by periods of relatively higher perceived risk. The current period we are now in appears to be one in which the uncertainties regarding the stock market have increased and thus investors are now demanding greater compensation, that is, a higher risk premium, for bearing those uncertainties.

The reason the book does not get five stars is that the book misspecifies the constant dividend growth model equation that forms the basis for the author's explanation of the adjustment in the equity risk premium. However, this oversight should not prevent the reader from getting a great explanation of how the prices of common stocks adjust to risks from this fine book.

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