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This paper presents a characterization of weak risk aversion in terms of preference for sure diversification. Similarly …, we show that strong risk aversion can be characterized by weakening preference for diversification, as introduced by … Dekel [11], in what we name preference for strong diversification. …
Persistent link: https://www.econbiz.de/10010750576
We survey the phenomenon of the growth of firms drawing on literature from economics, management and sociology. We begin with a review of empirical "stylised facts" before discussing theoretical contributions. Firm growth is characterized by a predominant stochastic element, making it difficult...
Persistent link: https://www.econbiz.de/10010750933
L'étude de trajectoires historiques de 15 cas montre que la stratégie agricole est encore influencée par les références au modèle dominant qui conditionne la vision du dirigeant et la difficulté managériale des diversifications. On constate néanmoins que les entreprenants parviennent à...
Persistent link: https://www.econbiz.de/10010671789
Risk diversification is the basis of insurance and investment. It is thus crucial to study the effects that could limit … occurrence, systemic risk can reduce dramatically the diversification benefits. It is clearly revealed via a non …
Persistent link: https://www.econbiz.de/10010899196
des entreprises en termes de diversification et de recentrage. …
Persistent link: https://www.econbiz.de/10011025912
L'objectif de cet article est de repérer les mouvements de recentrage et de diversification des entreprises non …
Persistent link: https://www.econbiz.de/10011026070
des comportements plus ou moins audacieux face à la diversification et privilégiera certaines formes plutôt que d … définition de la diversification dans le secteur n'est pas la même que celle qu'utilise le gestionnaire, l'opposition classique …
Persistent link: https://www.econbiz.de/10010685193
During the last decade the air transport market was marked by the emergence and development of the low cost carriers (LCCs). The LCCs market share in Europe was indeed multiplied by 3 in 4 years, going from 5% in 2002 to 16% in 2006. This major change in the air transport market has strongly...
Persistent link: https://www.econbiz.de/10010820457
Expected Shortfall (ES) has been widely accepted as a risk measure that is conceptually superior to Value-at-Risk (VaR). At the same time, however, it has been criticized for issues relating to backtesting. In particular, ES has been found not to be elicitable which means that backtesting for ES...
Persistent link: https://www.econbiz.de/10010821003
stratégies de diversification produit des grands groupes industriels. Elle est désormais transposée dans le cadre d'un autre type …; Meyer, 2006). Dans ces recherches, on pense la diversification internationale sous l'angle des distances existant entre les …, telles que General Electric ou LVMH sont parvenues à associer diversification internationale et diversification produit non …
Persistent link: https://www.econbiz.de/10009147620