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Cet article étudie l'évolution et les effets incitatifs des stock-options attribuées aux dirigeants de dix-huit entreprises du CAC40 entre 1994 et 2003. Une base de données portant sur 184 plans d'attribution de stock-options par ces entreprises est utilisée afin de suivre l'évolution et...
Persistent link: https://www.econbiz.de/10008793488
vulnerability to peak oil. Climate policies, therefore, appear as a hedging strategy against the uncertainty on oil resources, in …
Persistent link: https://www.econbiz.de/10009647577
Theories of justice in the spirit of Rawls and Harsanyi argue that fair-minded people should aspire to make choices for society as if in the original position, that is, behind a veil of ignorance that prevents them from knowing their own social positions. In this paper, we provide a fairly...
Persistent link: https://www.econbiz.de/10010605310
in the Choquet Uncertainty model, letting u and μ (v and ν) be Ursula's (Victor's) utility and capacity. A necessary and … sufficient condition (A) on the pairs (u, μ) and (v, ν) will be presented for dichotomous weak increased uncertainty aversion … indifferent. Condition A is thus a characterization of weak increased uncertainty aversion for convex f. An example will be …
Persistent link: https://www.econbiz.de/10010605324
We propose an ethical viewpoint based on the possibility of the realization of the worst-case scenario in order to reduce future generations risks in terms of discounting. Applied to the question of conservation of a renewable resource, we show that an economy, where the social planner takes...
Persistent link: https://www.econbiz.de/10010750368
We develop an axiomatic approach to decision under uncertainty that explicitly takes into account the information …
Persistent link: https://www.econbiz.de/10010750380
We provide a general theorem on the aggregation of preferences under uncertainty. We study, in the Anscombe …-Aumann setting a wide class of preferences, that includes most known models of decision under uncertainty (and state …". The latter means that society cannot have a non-neutral attitude towards uncertainty on a subclass of acts. A corollary to …
Persistent link: https://www.econbiz.de/10010750424
that includes most known models of decision under uncertainty as well as state dependent versions of these models. We prove … that aggregation is possible and necessarily linear if and only if (society's) preferences are uncertainty neutral. The … latter means that society cannot have a non-neutral attitude toward uncertainty on a subclass of acts. A corollary to our …
Persistent link: https://www.econbiz.de/10010750533
general result is that a small number of reasonable assumptions regarding welfare orderings under uncertainty rule out pure ex …
Persistent link: https://www.econbiz.de/10010750535
is suggested, imperfection gathering uncertainty (through various scenarios) and imprecision (through quantities and …
Persistent link: https://www.econbiz.de/10010898896