Ellsberg`s 2-Color Experiment, Bid-Ask Behavior and Ambiguity
Results in this note relate the observation of an interval of prices at which a DM strictly prefers to hold a zero position on an asset (termed `bid-ask behavior`) to the DM`s perception of the underlying payoff relevant events as ambiguous, as the term is defined in Epstein and Zhang (2001). The connection between bid-ask behavior and ambiguity is established without invoking a parametric preference form, such as the Choquet expected utility or the max-min multiple priors model. This allows us to draw an observable distinction between bid-ask behavior that may arise purely due to first-order risk aversion type effects, such as those which could arise even if preferences were probabilistically sophisticated, and the bid-ask behavior that involve ambiguity perceptions.
|Date of creation:||01 Jul 2002|
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- Epstein, Larry G., 2000.
"Are Probabilities Used in Markets ?,"
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"Subjective Probabilities on Subjectively Unambiguous Events,"
Econometric Society, vol. 69(2), pages 265-306, March.
- Larry G. Epstein & Jiankang Zhang, 1999. "Subjective Probabilities on Subjectively Unambiguous Events," Carleton Economic Papers 99-18, Carleton University, Department of Economics.
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Discussion Paper Series In Economics And Econometrics
9715, Economics Division, School of Social Sciences, University of Southampton.
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"Representing Preferences with a Unique Subjective State Space,"
Econometric Society, vol. 69(4), pages 891-934, July.
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- Hong Chew Soo & Epstein Larry G. & Wakker Peter, 1993. "A Unifying Approach to Axiomatic Non-expected Utility Theories: Correction and Comment," Journal of Economic Theory, Elsevier, vol. 59(1), pages 183-188, February.
- Epstein Larry G. & Wang Tan, 1995. "Uncertainty, Risk-Neutral Measures and Security Price Booms and Crashes," Journal of Economic Theory, Elsevier, vol. 67(1), pages 40-82, October.
- Machina, Mark J, 2000. "Payoff Kinks in Preferences Over Lotteries," University of California at San Diego, Economics Working Paper Series qt7vn7d2hs, Department of Economics, UC San Diego.
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