What is a technologically advanced economy? We propose some theoretical elements showing how heterogeneity in the firms' innovation behaviours can be analysed and exploited in order to assess the technological performance of the economy. Three empirical applications using French data are derived...

We estimate the productivity- and wage-returns to firm-provided training in a panel of French Firms. We find positive and significant returns to training on productivity. For instance, an increase in training intensity by 150 Euros per worker increases a firms labor productivity by 0.4 %....