Empirical Identification of Behavioral Choice Models Under Risk
In: American Journal of Agricultural Economics, Band 98, Heft 4, S. 1181-1194
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In: American Journal of Agricultural Economics, Band 98, Heft 4, S. 1181-1194
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ISSN: 2449-9064
In: Oxford Research Encyclopedia of International Studies
"Risk Preferences and War" published on by Oxford University Press.
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Working paper
In: Benefit analysis using indirect or imputed market methods 1
In: American economic review, Band 102, Heft 7, S. 3357-3376
ISSN: 1944-7981
Risk and time are intertwined. The present is known while the future is inherently risky. This is problematic when studying time preferences since uncontrolled risk can generate apparently present-biased behavior. We systematically manipulate risk in an intertemporal choice experiment. Discounted expected utility performs well with risk, but when certainty is added common ratio predictions fail sharply. The data cannot be explained by prospect theory, hyperbolic discounting, or preferences for resolution of uncertainty, but seem consistent with a direct preference for certainty. The data suggest strongly a difference between risk and time preferences. (JEL C91 D81 D91)
In: American economic review, Band 105, Heft 7, S. 2272-2286
ISSN: 1944-7981
Andreoni and Sprenger (2012a,b) observe that utility functions are distinct for risk and time preferences, and show that their findings are consistent with a preference for certainty. We revisit this question in an enriched experimental setting in which subjects make intertemporal decisions under different risk conditions. The observed choice behavior supports a separation between risk attitude and intertemporal substitution rather than a preference for certainty. We further show that several models, including Epstein and Zin (1989); Chew and Epstein (1990); and Halevy (2008) exhibit such a separation and can account for the overall experimental findings. (JEL C91, D81, D91)
Risk aversion is an important factor in many settings, including individual decisions about investment or occupational choice, and government choices about policies affecting environmental, industrial, or health risks. Risk preferences are measured using surveys or incentivized games with real consequences. Reviewing the different approaches to measuring individual risk aversion shows that the best approach will depend on the question being asked and the study's target population. In particular, economists' gold standard of incentivized games may not be superior to surveys in all settings.
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In: Frontiers of theoretical economics, Band 5, Heft 1
ISSN: 1935-1704
We offer a new proof that the equilibrium manifold (under complete markets) identifies individual demands globally. Moreover, under observation of only a subset of the equilibrium manifold, we find domains on which aggregate and individual demands are identifiable. Our argument avoids the assumption of Balasko (2004) requiring the observation of the complete manifold.
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Working paper
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In: American economic review, Band 105, Heft 7, S. 2287-2293
ISSN: 1944-7981
Can the well-known experimental phenomenon of present-bias in intertemporal choice be confounded with the risks associated with receiving payment? Can measurements of risk preferences be used to represent desires for smoothness in intertemporal payments? In our two 2012 papers in this journal we explored these two questions and found the answer to the first to be yes and the second to be no. We feel the three papers inspired by our work and published here underscore these arguments and point to interesting new possibilities for modeling and measuring risk over time. (JEL C91, D81, D91)
In: Journal of risk and uncertainty, Band 36, Heft 2, S. 139-152
ISSN: 1573-0476
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