attention. They nonetheless constituted an opportunity to introduce a sophisticated analysis of individual decision under risk …. Through various examples, Smith pointed out a risk-seeking attitude, figured out in the paper in terms of inverse stochastic … overestimate the chance of gain, which leads to favor a rank-dependent utility approach within which optimism toward risk can …

this theorem to explain the well-known problems of utility and decision theories, such as risk aversion, the underweighting …

-to-implement procedure could be adequately used. For that purpose, the subjects' degree of risk aversion is compared across three payment …

de prise de décision : analogique, déductif et inductif. Ces processus soulignent la complexité des relations entre les …

adapt to uncertain environments. Build a Strategic Intelligence Information System able to facilitate decision-making and … understanding of the received signals from the environment and poor reaction of the decision-maker to signals and events in the …

stereotype of risk averse and less competitive older employees. …

This chapter of a collective book aims at presenting the basics of decision making under risk. We first define notions … of risk and increasing risk and recall definitions and classifications (that are valid independently of any … representation) of behavior under risk. We then review the classical model of expected utility due to von Neumann and Morgenstern …

The theory of existence of equilibrium with short-selling is reconsidered under risk and ambiguity modelled by risk … of the risk adjusted sets of expectations overlap. This condition is necessary if agents are not risk neutral at extreme … compatible trades, with non negative expected value with respect to any risk adjusted prior, strictly positive for some agent and …

, which allow to take into account observed behaviors as in Allais' paradox under risk or Ellsberg's paradox under uncertainty … uncertainty, and Quiggin and Yaari under risk, succeeded to characterize preferences which generalize the EU model, by means of a … for more diversified patterns of behavior under uncertainty as well under risk. …