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main stock market indices of the G5: interactions between return and volatility, international transmission mechanisms and … impact of trading volumes. The non-significance of expected volatility in return equation can be explained by the influence … of trading volumes on returns. On the other hand, asymmetric effects (from non-expected return to volatility) are very …
Persistent link: https://www.econbiz.de/10008566299
We identify and examine the presence of the long memory in equity returns and more generally in specific transformations of these returns, on both the US and European stock markets. Taking into account the persistence phenomenon, we analyze the effect of the splitting of the sample period on the...
Persistent link: https://www.econbiz.de/10005056504
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The implementation of large software packages is becoming increasingly common in organizations nowadays. While they can generate important benefits, these projects also entail risk. Many of these projects have caused large financial losses and have failed to realize the promised benefits. This...
Persistent link: https://www.econbiz.de/10005100454
The evolution of the economic environment has forced companies to rationalize their relations with their clients, suppliers and other associated firms. They are rapidly confronted with a lack of adaptation of their organizational structures and information flow with regard to the constraints...
Persistent link: https://www.econbiz.de/10005604428
Les places de marché, en tant que système d’information inter-organisationnel, ne se limitent pas à une simple dimension transactionnelle. En effet, celles ayant survécu à la phase de consolidation ont progressivement élargi leurs fonctions et contribuent à une nouvelle dynamique...
Persistent link: https://www.econbiz.de/10008551674
Les technologies de l’information constituent une des dimensions essentielles de l’émergence de l’entreprise virtuelle. Depuis une décennie, plu- sieurs vagues successives d’applications se sont succédées : groupware, messagerie, Internet, progi- ciel de gestion intégré,...
Persistent link: https://www.econbiz.de/10008532592
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