We use firm-level data from Italian manufacturing firms to assess the relationship between various types of R&D and total factor productivity growth, including collaborative research with other firms and universities. A novel twist to our empirical analysis is that we estimate a sample selection...

This paper considers a model of horizontal and vertical product differentiation. Firms spending on R&D may improve the quality of their product. K&D cooperation in the fort11 of a RJV among a subset of innovating firms introduces the possibility of a much better product being produced relative...