In this paper we consider a Lagrange Multiplier-type test (LM) to detect change in the mean of time series with heteroskedasticity of unknown form. We derive the limiting distribution under the null, and prove the consistency of the test against the alternative of either an abrupt or smooth...

This paper studies the impact of product and labor market regulations on informality and unemployment in a general framework where formal and informal firms are subject to the same externalities, differing only with respect to some parameter values. Both formal and informal firms have monopoly...

While the effects of an ad's colour on attitudes towards it have already been investigated, far less work has been done on the influence of incongruous colours. This paper examines the effects of an ad using an incongruous colour on several variables of the advertising persuasion process....

In this paper we consider a Lagrange Multiplier-type test (LM) to detect change in the mean of time series with heteroskedasticity of unknown form. We derive the limiting distribution under the null, and prove the consistency of the test against the alternative of either an abrupt or smooth...

Le propos de ce papier est de clarifier, sur un plan sémantique, ce qu'est la résistance du consommateur selon une vision micro-individuelle. Pour cela, il utilise la linguistique pour extraire d'un corpus de définitions propres à chaque discipline les éléments de sens devant servir...

Ce texte sera construit à partir de l'argumentation suivante : après avoir questionné la notion d'entrepreneur et d'entrepreneuriat, il sera question de l'extensivité de la figure avec la référence actuelle à l'entrepreneur institutionnel et à l'entrepreneur social.

L'argumentation de ce texte visant à fonder une approche essentialiste de l'organisation en la fondant sur des valeurs sera la suivante : après avoir soupesé l'ambiguïté de l'usage des valeurs dans l'hypothèse culturaliste, on tentera de définir la notion de valeur au regard de celle de...

This paper examine at the meso and macro level the institutional and economic elements determining success and failure of global retailers abroad trough the trajectories of Wal-Mart and Carrefour. Three kind of explanations are considered : the time and modalities of entry and development, the...

Contrasting with the 1929 great crisis, authorities intervened forcefully in 2008 to stop the disintegration of the financial system. Governments and central banks then sought to revise the prudential regulation in depth. It would be optimistic, however, to believe that prudential measures,...

The principle of conditional convergence, in growth theory, fails to explain growth paths that are durably divergent among countries having similar structural characteristics (same rates of investment, of capitaldepreciation, of demographic growth, and similar access to technologies and...