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Developing a model with a switching mechanism, we show how complex dynamics can be generated even though heterogeneity arises among agents with the same trading rules (fundamentalists). We assume that there are two experts which are imitated by other operators. We show that (i) market...
Persistent link: https://www.econbiz.de/10005685709
investors exhibit ambiguity aversion and perceive ambiguity in assets issued in foreign locations. Increases in the variance of …' perceived ambiguity have the opposite effect, and lead to less risk-sharing. Entrepreneurs from capital-scarce countries finance … ambiguity, that is, when investors only perceive risk. New facts uncovered from cross-country firm-level data are consistent …
Persistent link: https://www.econbiz.de/10010496775
Persistent link: https://www.econbiz.de/10009275652
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...
Persistent link: https://www.econbiz.de/10008532479
Persistent link: https://www.econbiz.de/10009295035
Le crédit interentreprises est un des canaux de transmission du risque de défaillance des entreprises. Les impayés sur effets de commerce révèlent les interdépendances entre secteurs et leur potentiel de contagion, dès lors que les montants en jeu sont importants.
Persistent link: https://www.econbiz.de/10009251286
Cet article est une revue de la littérature où le temps passé dans un état est une variable aléatoire issue d’un mélange continu de distributions. Elle s’est constituée à partir de l’estimation de fonctions de hasards et de méthodes d’approximations d’intégrales. Nous...
Persistent link: https://www.econbiz.de/10004984861
Criteria for initiation of highly active antiretroviral treatments (HAART) in HIV-infected patients remain a matter of debate world-wide because short-term benefits have to be balanced with costs of these therapies, and restrictions placed on future treatment options if resistant viral strains...
Persistent link: https://www.econbiz.de/10005100610
This paper studies the effect of combining different insurance schemes on the efficiency of consumption smoothing in an environment without commitment. A savings account is introduced into the self-enforcing risk-sharing model of Thomas and Worrall (1988). The risk averse agent's savings play...
Persistent link: https://www.econbiz.de/10005100656
Criteria for initiation of highly active antiretroviral treatments (HAART) in HIV-infected patients remain a matter of debate world-wide because short-term benefits have to be balanced with costs of these therapies, and restrictions placed on future treatment options if resistant viral strains...
Persistent link: https://www.econbiz.de/10005100920