China's GDP has grown at a tremendous rate over the last 40 years, but its total R&D expenditure has grown even more. We construct a model of firm dynamics which produces endogenous increases in R&D and productivity. We then take the model to the data and find that R&D expenditure as a...

Firms producing differentiated products have high margins and therefore low risk. As a result firms invest more into developing differentiated products when they perceive risk is high. Higher risk also implies higher product skewness towards more differentiated products and therefore higher...

Au-delà de la diversité des PME se dégagent des besoins communs qui sollicitent en partie des réponses de politiques publiques : disposer de structures de facilitation pour améliorer le travail en réseau, mieux gérer la fonction financière et favoriser un accès plus aisé au conseil...