Showing 1 - 10 of 135
(VF)Cet article analyse la restructuration de l'industrie européenne aérospatiale et de défense via la création d’EADS, société possédant 80 % d'Airbus. Lancé par une impulsion politique des gouvernements européens, ce processus a abouti à la création d’un acteur industriel de...
Persistent link: https://www.econbiz.de/10005042538
An empirical study of the Dow Jones Stoxx Football index exhibits a high volatility of the returns and share prices regarding a sample of floated clubs as well as an insufficient market depth (low and irregular traded volumes). The theoretical analysis of the relationship between market...
Persistent link: https://www.econbiz.de/10005812928
Information processing filters out the noise in data but it takes time. Hence, low precision signals are available before high precision signals. We analyze how this feature affects asset price informativeness when investors can acquire signals of increasing precision over time about the payoff...
Persistent link: https://www.econbiz.de/10010499565
Les réserves de change se sont accrues de façon spectaculaire, principalement dans les pays asiatiques. Les modalités de gestion de ces réserves par les banques centrales pourraient avoir un impact sur les marchés financiers.
Persistent link: https://www.econbiz.de/10009251284
(VF)Cet article propose d'étudier la stabilité des performances de certains fonds de retraite anglais. Nos résultats montrent que les fonds investis en actions sont caractérisés par une réversion de leurs performances alors que les fonds obligataires connaissent une certaine pérennité...
Persistent link: https://www.econbiz.de/10005111132
Dans cet article, nous proposons des tests sur la forme de la distribution des erreurs dans un modèle de régression linéaire multivarié (RLM). Les tests que nous développons sont fonction des résidus obtenus par moindres carrés multivariés, lesquels sont standardisés de façon à ce que...
Persistent link: https://www.econbiz.de/10005100629
In this paper, we propose several finite-sample specification tests for multivariate linear regressions (MLR) with applications to asset pricing models. We focus on departures from the assumption of i.i.d. errors assumption, at univariate and multivariate levels, with Gaussian and non-Gaussian...
Persistent link: https://www.econbiz.de/10005100677
In this paper we propose exact likelihood-based mean-variance efficiency tests of the market portfolio in the context of Capital Asset Pricing Model (CAPM), allowing for a wide class of error distributions which include normality as a special case. These tests are developed in the framework of...
Persistent link: https://www.econbiz.de/10005100885
In this paper, we propose exact inference procedures for asset pricing models that can be formulated in the framework of a multivariate linear regression (CAPM), allowing for stable error distributions. The normality assumption on the distribution of stock returns is usually rejected in...
Persistent link: https://www.econbiz.de/10005100963
Political activism positively affects firm innovation. Firms that support more politicians, politicians on Congressional committees with jurisdictional authority over the firms' industries and politicians who join those committees innovate more. We employ instrumental variables estimation and a...
Persistent link: https://www.econbiz.de/10010501442