This paper studies the links between productivity, innovation and research at the firm level.
We introduce three new features:(i) A structural model that explains productivity by …

Este trabajo presenta una síntesis de los métodos disponibles para el análisis
econome'trico de datos de panel en un marco unificado. En particular se analiza en que …

The Importance of R&D for Innovation: A Reassessment Using French Survey Data Page
1 The Importance of R&D for Innovation: A Reassessment Using French Survey Data Jacques …

This paper considers the estimation problem in dynamic games with finite actions. we derive
the equation system that characterizes the markovian equilibria. the equilibrium equation …

Traditionally, an assumption underlying econometric models is that the regressors are
observed without measurement error. In practice, however, economic observations, micro …

This paper considers tests for the rank of a matrix for which a root-T consistent estimator is
available. However, in contrast to tests associated with the minimum chi-square and …

In this paper, we make a first attempt to explore the relationship between computer use and
productivity in French manufacturing and services industries. We match information on …

In this paper we consider a class of dynamic models in which both the conditional mean and
the conditional variance are endogenous stepwise functions. We first consider the …

This paper consists in a detailed robustness investigation of the Cr? pon, Duguet and
Mairesse [1998](CDM) econometric framework, which encompasses as a reduced form …

Do spatial differences in unemployment duration reflect residential sorting or a true local
effect? Focusing on the 1300 municipalities of the Paris region, we apply a methodology that …