In this paper, we characterize subjective probability beliefs leading to a higher equilibrium market price of risk. We establish that Abel's result on the impact of doubt on the risk premium is not correct in general; see Abel [2002. An exploration of the effects of pessimism and doubt on asset...

In this note, we consider an economy with heterogeneous agents, differing by their time preference rate and by their beliefs. We show that at the Pareto optimum, the representative agent exhibits interesting behavioral properties. More precisely, starting from a standard model with expected...

In this paper, we show that behavioral features can be obtained at a group level when the individuals of the group are heterogeneous enough. More precisely, starting from a standard model of Pareto optimal allocations, with expected utility maximizers and exponential dis- counting, but allowing...

Cet article examine empiriquement les déterminants de l’utilisation des produits dérivés par un échantillon de sociétés non financières françaises. Les résultats des tests font apparaître le levier (le proxy des coûts de la détresse financière), le rendement des dividendes, la...

This paper examines the debate over the gains from trade when international differences in the risk perception of heterogeneous managers provide the basis for trade: the relatively optimistic country exports the risky commodity whereas the relatively pessimistic country exports the certain...

Cet article examine l’incidence des maladies invalidantes sur les contrats d’assurance santé en présence de sélection adverse. Pour ce faire, nous utilisons un modèle d’utilité bivariée de décision dans le risque. Nous montrons que l’introduction des maladies invalidantes modifie...

This paper introduces a valuation model of international pricing in the presence of political risk. Shipments between countries are charged with shipping costs and the country specific production processes are modelled as diffusion processes. The political risk is modelled as a continous time...

L'objectif de l'intelligence stratégique est d'aider la connaissance et la compréhension de la situation stratégique. Nous établissons qu'en majorité la littérature sur l'intelligence stratégique propose une vision qui semble "rationnelle", mais qui de manière prévisible ne permet pas...