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Most models of ambiguity aversion satisfy Anscombe-Aumann's Monotonicity axiom. Monotonicity imposes separability of preferences across events that occur with unknown probability. We construct a test of Monotonicity by modifying the Allais paradox to a setting with both subjective and objective...
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This paper presents the results of an experiment that demonstrates that personality may have a significant impact on economic decision making under uncertainty. This impact is indirect since differences in personality characteristics lead decision makers to seek different types of information...
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Many business decisions, such as managing investment instruments, selecting medical care, and managing various supply chains, are being made repetitively in uncertain environments. At times, decisions under uncertainty could be perceived as wrong ex-post even though they are really ex-ante...
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This paper implements a parsimonious and practical methodology to examine the diversification potential of … international equity portfolios. The analysis shows that the Portfolio Diversification Index (Rudin, A.M., and Morgan, J.S., Journal … of Portfolio Management [2006]) efficiently replicates a number of stylized facts associated to home bias and local …
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I examine the sample selection bias in portfolio horse race. Numerous studies propose mean-variance portfolio rules to … moments and the performance of optimal versus naive diversification. These relations not only imply strong performance …
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