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We introduce a new preference structure—age‐dependent increasing risk aversion (IRA)—in a three‐period overlapping generations model with borrowing constraints, and examine the behavior of equity premium in this framework. We find that IRA preferences generate results that are more consistent with U.S. data for the equity premium, level of savings and portfolio shares, without assuming unreasonable levels of risk aversion. We find that the relative difference between the two risk aversions (how much more risk‐averse old agents are relative to the middle‐aged) matters more than the average risk aversion in the economy (how much more risk‐averse both cohorts are). Our findings are robust with respect to a number of model generalizations. 相似文献
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A New Measure of Equity and Cash Flow Duration: The Duration‐Based Explanation of the Value Premium Revisited
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This article reexamines the duration‐based explanation of the value premium using novel estimates of the firms' equity and cash flow durations based on analyst forecasts. We show that the value premium can be explained by cross‐sectional differences in the shares' equity durations, but not by their cash flow durations. Different from the duration‐based explanation of the value premium that explains the value premium with cross‐sectional differences in the firm's cash flow timing, we find that short‐horizon stocks have lower (expected) returns than long‐horizon stocks. This result is consistent with an upward‐sloping equity yield curve. 相似文献
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MATHIAS HOFFMANN 《Journal of Money, Credit and Banking》2014,46(6):1259-1292
The owners of small noncorporate businesses face substantial and largely uninsurable entrepreneurial risk. They are also an important group of stock owners. This paper explores the role of entrepreneurial risk in explaining time variation in expected U.S. stock returns in the period 1952–2010. It proposes an entrepreneurial distress factor that is based on a cointegrating relationship between aggregate consumption and income from proprietary and nonproprietary wealth. This factor, referred to here as the cpy residual, signals when entrepreneurial income is low in relation to aggregate consumption and other forms of income in the economy. It is highly correlated with cross‐sectional measures of idiosyncratic entrepreneurial and default risk, and it has considerable forecasting power for the expected equity premium. However, the correlation between cpy and the stock market started to decline at the beginning of the 1980s. The decline in this correlation can be associated with increased stock market participation and with the progress of U.S. state‐level bank deregulation. This pattern is consistent with the view that entrepreneurial risk became more easily diversifiable in the wake of U.S. state‐level bank deregulation. 相似文献