Showing 1 - 10 of 108
Many decisions in private and public organizations are made by groups. The paper explores strategies that the sponsor of a proposal may employ to convince a qualified majority of group members to approve the proposal. Adopting a mechanism design approach to communication, it emphasizes the need...
Persistent link: https://www.econbiz.de/10010750987
consequences. By properly assessing the outcomes involved - especially those concerning human life - economic theory of choice … under uncertainty is expected to help people take the best decision. However, the widely used expected utility theory values …
Persistent link: https://www.econbiz.de/10009645480
The classical expected utility model of decision under risk (von Neumann-Morgenstern, 1944) has been criticized from an … could dislike risk (prefer to any lottery its expectation) without necessarily avoiding any increase in risk ; diminishing … marginal utility may coexists with "weak" risk seeking attitudes ; decision makers with the same utility function may differ in …
Persistent link: https://www.econbiz.de/10010738473
This paper proposes an experiment about the attitude toward probabilities on a population of portfolio managers. Its aim is to check whether or not portfolio managers are neutral toward probabilities. Meanwhile, it presents a experimental protocole that highlights an inconsistency between two...
Persistent link: https://www.econbiz.de/10010738619
Consider any investor who fears ruin when facing any set of investments that satisfy no-arbitrage. Before investing, he can purchase information about the state of nature in the form of an information structure. Given his prior, information structure $\alpha$ is more informative than information...
Persistent link: https://www.econbiz.de/10010930175
This study investigates the influence of background diversity of bank board members on performance and risk. Using data … associated with performance except when it relates to ethnicity. It not only reduces performance per se but also increases risk …. Female presence and professional diversity reduce risk but nationality and ethnicity diversities are associated with higher …
Persistent link: https://www.econbiz.de/10010933906
non-zero risk levels. Some contemporary European societies tolerate about one fatality per thousand year around industrial … theory and the technology roadmap suggest that CO2 storage demonstration projects over the next 20 years have to cause …
Persistent link: https://www.econbiz.de/10009402095
Using a recent household survey conducted in Senegal, I examine the impact of negative and positive income shocks on departures from and entries in the household. I focus on differences in responses to shocks across the urban and rural sectors as well as age and gender groups. Striking...
Persistent link: https://www.econbiz.de/10009643222
-agricultural sector is considered as a risk-mitigating strategy by rural Pakistani households. This issue has already been addressed but … whether ex ante engagement in the non-agricultural sector is partly motivated by a desire to mitigate risk. The main feature …
Persistent link: https://www.econbiz.de/10010750552
We define a coherent risk measures as set-valued maps satisfying some axioms. We show that this definition is a … convenient extension of the real-valued risk measures introduced by Artzner, Delbaen, Eber and Heath (1998). We then discuss the … aggregation issue, i.e. the passage from valued random portofolio to valued measure of Risk. Necessary and sufficient conditions …
Persistent link: https://www.econbiz.de/10010750881