2011
DOI: 10.1111/j.1467-9965.2011.00490.x
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Greed, Leverage, and Potential Losses: A Prospect Theory Perspective

Abstract: Partly motivated by a deeper understanding of the role human greed has played in the current financial crisis, this paper quantifies the notion of greed, and explores its connection with leverage and potential losses, in the context of a continuoustime behavioral portfolio choice model under (cumulative) prospect theory. We * We are grateful for comments from seminar and conference participants at Columbia, Nomura London, Paris Dauphine, University

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Cited by 54 publications
(27 citation statements)
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“…We will prove this equivalence in Theorem 4 and stress its relevance in Section 2.4. Notice that decision-making driven by targets' achievement is not only intuitive but also widely accepted and supported by the economics literature, see for instance the classical works of Kahneman & Tversky (1979) and Tversky & Kahneman (1992) on Prospect Theory and, more recently, Bordley & Li Calzi (2000) and Jin & Zhou (2009).…”
Section: Quadratic Loss Function: the Target-based Approachmentioning
confidence: 99%
“…We will prove this equivalence in Theorem 4 and stress its relevance in Section 2.4. Notice that decision-making driven by targets' achievement is not only intuitive but also widely accepted and supported by the economics literature, see for instance the classical works of Kahneman & Tversky (1979) and Tversky & Kahneman (1992) on Prospect Theory and, more recently, Bordley & Li Calzi (2000) and Jin & Zhou (2009).…”
Section: Quadratic Loss Function: the Target-based Approachmentioning
confidence: 99%
“…Now that we have solved the negative part problem (9), and the positive part problem First of all, in view of Theorem 3, we only need to consider the following problem in lieu of (10), where (c, c 2 , x + ) are the decision variables:…”
Section: Solution Of the Behavioral Modelmentioning
confidence: 99%
“…Jin and Zhou (2009) prove that potential losses can be catastrophically large with a sufficiently strong agent greed (as reflected by a very high reference point). In other words, when one loses one can lose real big.…”
Section: Introductionmentioning
confidence: 99%
“…Similar assumptions have been used in Jin and Zhou [45] in their study of portfolio choice under prospect theory, in He and Zhou [46] in their study of a portfolio choice problem under Yaari's [22] dual theory of choice, in Jin and Zhou [47] in their study of greed and leverage within a portfolio choice problem under prospect theory and in Carlier and Dana [48] in their study of the demand for contingent claims under rank-dependent expected utility [21]. Furthermore, note that when both the insured and the insurer are Bayesian decision makers, that is when the insurer does not distort probabilities, then Assumption 7 and Assumption 5 are equivalent 4 .…”
Section: Assumption 7 the Function T þ ñ T 1 P1´tqmentioning
confidence: 95%