6 found
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  1.  16
    Lottery- and Survey-Based Risk Attitudes Linked Through a Multichoice Elicitation Task.Giuseppe Attanasi, Nikolaos Georgantzís, Valentina Rotondi & Daria Vigani - 2018 - Theory and Decision 84 (3):341-372.
    We analyze the results from three different risk attitude elicitation methods. First, the broadly used test by Holt and Laury, HL, second, the lottery-panel task by Sabater-Grande and Georgantzis, SG, and third, responses to a survey question on self-assessment of general attitude towards risk. The first and the second task are implemented with real monetary incentives, while the third concerns all domains in life in general. Like in previous studies, the correlation of decisions across tasks is low and usually statistically (...)
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  2.  22
    Eliciting Ambiguity Aversion in Unknown and in Compound Lotteries: A Smooth Ambiguity Model Experimental Study.Giuseppe Attanasi, Christian Gollier, Aldo Montesano & Noemi Pace - 2014 - Theory and Decision 77 (4):485-530.
    Coherent-ambiguity aversion is defined within the smooth-ambiguity model as the combination of choice-ambiguity and value-ambiguity aversion. Five ambiguous decision tasks are analyzed theoretically, where an individual faces two-stage lotteries with binomial, uniform, or unknown second-order probabilities. Theoretical predictions are then tested through a 10-task experiment. In tasks 1–5, risk aversion is elicited through both a portfolio choice method and a BDM mechanism. In tasks 6–10, choice-ambiguity aversion is elicited through the portfolio choice method, while value-ambiguity aversion comes about through the (...)
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  3. The Price for Information About Probabilities and its Relation with Risk and Ambiguity.Giuseppe Attanasi & Aldo Montesano - 2012 - Theory and Decision 73 (1):125-160.
    In this article, ambiguity attitude is measured through the maximum price a decision maker is willing to pay to know the probability of an event. Two problems are examined in which the decision maker faces an act: in one case, buying information implies playing a lottery, while, in the other case, buying information gives also the option to avoid playing the lottery. In both decision settings, relying on the Choquet expected utility model, we study how the decision maker’s risk and (...)
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  4.  21
    Relative Performance of Liability Rules: Experimental Evidence.Vera Angelova, Olivier Armantier, Giuseppe Attanasi & Yolande Hiriart - 2014 - Theory and Decision 77 (4):531-556.
    We compare the performance of liability rules for managing environmental disasters when third parties are harmed and cannot always be compensated. A firm can invest in safety to reduce the likelihood of accidents. The firm’s investment is unobservable to authorities. The presence of externalities and asymmetric information call for public intervention in order to define rules aimed at increasing prevention. We determine the investments in safety under No Liability, Strict Liability, and Negligence rules, and compare these to the first best. (...)
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  5.  55
    The Effects of Social Ties on Coordination: Conceptual Foundations for an Empirical Analysis. [REVIEW]Giuseppe Attanasi, Astrid Hopfensitz, Emiliano Lorini & Frédéric Moisan - 2014 - Phenomenology and the Cognitive Sciences 13 (1):47-73.
    This paper investigates the influence that social ties can have on behavior. After defining the concept of social ties that we consider, we introduce an original model of social ties. The impact of such ties on social preferences is studied in a coordination game with outside option. We provide a detailed game theoretical analysis of this game while considering various types of players, i.e., self-interest maximizing, inequity averse, and fair agents. In addition to these approaches that require strategic reasoning in (...)
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  6.  9
    Firm’s Protection Against Disasters: Are Investment and Insurance Substitutes or Complements?Giuseppe Attanasi, Laura Concina, Caroline Kamaté & Valentina Rotondi - 2020 - Theory and Decision 88 (1):121-151.
    We use a controlled laboratory experiment to study firm’s protection against potential technological damages. The probability of a catastrophic event is known, and the firm’s costly investment in safety reduces it. The firm can also buy an insurance with full or partial refund against the consequences of the catastrophic event, which ultimately reduces the variance of the firm’s investment-in-safety lottery. The firm makes these two choices simultaneously, after observing the insurance contract proposed by an insurer who chooses this contract within (...)
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