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In this note it is argued that the estimation error in Value-at-Risk predictors gives rise to underestimation of portfolio risk. We propose a simple correction and find in an empirical illustration that it is economically relevant.
Persistent link: https://www.econbiz.de/10005651967
In general, the properties of the conditional distribution of multiple period returns do not follow easily from the one-period data generating process. This renders computation of Value-at-Risk and Expected Shortfall for multiple period returns a non-trivial task. In this paper we consider some...
Persistent link: https://www.econbiz.de/10005198007
In the estimation of risk measures such as Value at Risk and Expected shortfall relatively short estimation windows are typically used rendering the estimation error a possibly non-negligible component. In this paper we build upon previous results for the Value at Risk and discuss how the...
Persistent link: https://www.econbiz.de/10010564003
Cet ouvrage analyse les enjeux de la relation client selon les diverses fonctions de l'entreprise et propose des outils pour mettre en œuvre des stratégies clients adaptées. Les auteurs s'intéressent tour à tour aux différentes stratégies, des plus classiques (programmes de fidélisation)...
Persistent link: https://www.econbiz.de/10011115226
The Internet-driven electronic marketplace (IEMP) has been presented as a way to enhance collaboration between buyers and suppliers while generating significant advantages for both parties. Nevertheless, the introduction of Online Reverse Auctions (ORA) in the negotiation process has been...
Persistent link: https://www.econbiz.de/10010799292
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La gestion de la relation client (GRC en français, ou CRM en anglais pour Customer Relationship Management) est un champ en plein développement où se combinent technologies de l'information, marketing et stratégie en vue d'accroître la performance de l'entreprise et sa différentiation...
Persistent link: https://www.econbiz.de/10011072280
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Comment choisir et instaurer une relation ? Comment adapter l'organisation pour mettre en oeuvre la stratégie retenue ? Comment analyser les nombreuses données client collectées pour prendre les meilleures décisions ? Quels outils utiliser pour soutenir la stratégie relationnelle ? Gestion...
Persistent link: https://www.econbiz.de/10011072552