Generalized Disappointment Aversion, Long Run Volatility Risk and Asset Prices
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Citations
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Consumption-Based Asset Pricing with Higher Cumulants
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References
Prospect theory: an analysis of decision under risk
Prospect theory: analysis of decision under risk
A New Approach to the Economic Analysis of Nonstationary Time Series and the Business Cycle.
THE EQUITY PREMIUM A Puzzle
Asset prices in an exchange economy
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Frequently Asked Questions (11)
Q2. What is the mechanism at play in the recursive utility model?
The economic mechanism at play is an endogenous variation in the probability of disappointment in the representative investor’s intertemporal consumption-saving problem that underlies the asset-pricing model.
Q3. What is the importance of the persistence of volatility in the kreps-porte?
It is really for the volatility of the dividend-price ratio that the persistence of volatility is very important, since it is decreasing fast as the value of φσ is approaching 0.9.
Q4. How do they determine the level of effective risk aversion of investors?
Since the disappointment aversion parameters α and κ interact with γ to determine the level of effective risk aversion of investors, the authors certainly need to lower γ.
Q5. What is the method used to produce population moments from the model?
The methodology used in Beeler and Campbell (2009) to produce population moments from the model rests on solving a loglinear approximate solution to the model and on a single simulation run over 1.2 million months (100,000 years).
Q6. What is the key for reproducing the predictability of consumption growth?
For the GDA preferences that the authors advocate in this paper, the persistence in the volatility of consumption growth φσ is key for reproducing the predictability stylized facts but results are not as sensitive to this persistence as they are with Kreps-Porteus preferences for the persistence of expected consumption growth.
Q7. What is the main source of long-run risk?
Their benchmark endowment process had only one of the two sources of long-run risks proposed by Bansal and Yaron (2004): the volatility risk.
Q8. What are the predictability regressions for the US economy?
The authors also consider several predictability regressions by the price-dividend ratio, for excess returns, consumption growth and dividend growth.
Q9. What is the implication of the slow mean-reverting component in the consumption growth model?
this slow mean-reverting component has the counterfactual implication of making consumption growth predictable by the price-dividend ratio.
Q10. What is the probability of disappointment in a state?
The probability of disappointment may change with the state even with DA preferences, generating predictable time-variation in returns.
Q11. What is the certainty equivalent of the Kreps-Porteus preferences?
When α is equal to one, R becomes the certainty equivalent corresponding to expected utility while Vt represents the Kreps-Porteus preferences.