Traditional investment equations do not provide satisfactory results when recent years are included in the estimation period. After reviewing the traditional specifications of investment models, we estimate multi-regime FBCF equations for firms in West Germany, United States, France and Japan....

En éliminant l'incertitude de change et en achevant l'unification du marché européen, la monnaie unique est une étape importante dans un processus qui conduit inévitablement les modes de régulation économique à passer des états nation du dix-neuvième siècle aux états continents. Mais...

[eng] neoclassrical model », is however similar (but not identical) to « effective demand for investment » model (or disequilibrium model), where expected demand for the output is exogeneously given for the firm.. Eisner and Nadiri results are confirmed by the econometric study of various...

[fre] Cet article essaie de dégager les propriétés générales des modèles étudiés en ce qui concerne d'une part la structure des erreurs de prévision commises, d'autre part les effets d'une hausse des dépenses publiques sous différentes hypothèses. On arrive aux conclusions suivantes...

[eng] The third part is devoted to the analysis of dynamics multipliera for three measures of economic policy : increasing the public investment, the social benefits to households, and reducing the social Insurance taxes paid by firms. Finally, the model is used to test statistically the...

[eng] A survey of recent developments in the econometrics of investment. Patrick Artus, Pierre-Alain Muet. This paper analyses the recent theoretical developments in the modelling of investment demand as well as the main lessons drawn from econometric estimation undertaken in France during...