This paper studies the links between productivity, innovation and research at th level. We introduce three new features: (i) A structural model that explains pro by innovation output, and innovation output by research investment; (ii) New dat manufacturing firms, including the number of European...

Does completing a household survey change the later behavior of those surveyed? In three field studies of health and two of microlending, we randomly assigned subjects to be surveyed about health and/or household finances and then measured subsequent use of a related product with data that does...

In this article we evaluate the contribution of computers to the growth of value-added during the last 15 years in France. Following North American studies, we use traditional growth accounting methods to assess the relative size of two types of contribution : on the one hand the effect of...

In this paper we study the influence of financial constraints on the investment behavior of French firms by estimating the Euler equation for investment on a large panel of firms over the period 1986-1994. In particular we emphasize the impact of the firm's level of collateral on its external...

This paper examines whether patenting increases the private incentives to innovate in manufacturing. In order to study this issue, we build a model in which the value of an innovation depends both on the type of innovation implemented (product, process) and on the existence or not of a patent...

This article explores the effect of accidents and chronic diseases on participation in the French labour market, while accounting for socioeconomic and gender effects. We use a dynamic definition of the control group and the difference-in-differences exact matching estimator, which controls for...