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Managerial Guidance and Analysts' Underreaction

Empirical investigations of analysts forecast surveys concerning earnings realizations find significant time varying biases usually attributed to the analysts liability to cognitive limitations. For example, a positive autocorrelation of analysts forecast errors is commonly explained by analysts underreaction. In this paper we develop a random dynamical system describing the...

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English / 01/01/2007

Avant-propos

Institution partenaire

Université de Genève

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Français / 01/01/2007

Making prospect theory fit for finance

The prospect theory of Kahneman and Tversky (in Econometrica 47(2), 263–291, 1979) and the cumulative prospect theory of Tversky and Kahneman (in J. Risk uncertainty 5, 297–323, 1992) are descriptive models for decision making that summarize several violations of the expected utility theory. This paper gives a survey of applications of prospect theory to the portfolio choice problem...

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English / 01/09/2006

Pareto-Improving Social Security Reform When Financial Markets Are Incomplete!?

This paper studies an overlapping generations model with stochastic production and incomplete markets to assess whether the introduction of an unfunded social security system leads to a Pareto improvement. When returns to capital and wages are imperfectly correlated a system that endows retired households with claims to labor income enhances the sharing of aggregate risk between...

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English / 01/06/2006

Droit et morale du droit moral

Institution partenaire

Université de Genève

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Français / 01/01/2006

Application en droit des sociétés

Institution partenaire

Université de Genève

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Français / 01/01/2006

Emotional face expression profiles supported by virtual human ontology

Expressive facial animation synthesis of human like characters has had many approacheswith good results. MPEG-4 standard has functioned as the basis of many of thoseapproaches. In this paper we would like to lay out the knowledge of some of thoseapproaches inside an ontology in order to support the modeling of emotionalfacial animation in virtual humans (VH). Inside this ontology we...

Institution partenaire

Université de Genève

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English / 01/01/2006

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