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Roy's [Roy, A., 1952. Safety first and the holding of assets. Econometrica 20 (3), 431-449] safety first criterion advocates the minimization of the probability of outcomes below a certain "disaster" level. This paper examines safety first theoretically and experimentally. We find that safety...
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The LLS stock market model is a model of heterogeneous quasi-rational investors operating in a complex environment about which they have incomplete information. We review the main features of this model and several of its extensions. We study the effects of investor heterogeneity and show that...
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The empirically documented Pareto wealth distribution at high wealth levels implies rather extreme wealth inequality. Is this inequality primarily due to differential talent, or is it due to luck? The answer to this question has profound political, social, and philosophical implications, as well...
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This paper analyzes two issues: (a) the effect of decision-weights on risk premium, and (b) whether risk-aversion characterizes most investors. We theoretically show that cumulative prospect theory decision-weights systematically increase Arrow's (1965) risk premium, and may induce a positive...
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The LLS stock market model (for a review see the book in Academic Press 2000: "Microscopic Simulation of Financial Markets; From Investor Behavior to Market Phenomena" by Levy, Levy and Solomon, ISBN: 0124458904) is a model of heterogeneous quasi-rational investors operating in a complex...
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