This paper proposes a theoretical framework for studying the invention of new products when demand is uncertain. In … this framework, under general conditions, the threat of ex post entry by a competitor can deter invention ex ante … operating system monopolist, by its mere presence, can deter the invention of complements, to its own detriment as well as that …

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 of a patent protection or not. We obtain a three-equation model that links the values of product … and process innovations to the value of patent protection. This model and the feature of the data imply the estimation of …

firm level. The first part of our analysis is dedicated to the determinants of innovation and reveals two different … innovation regimes. On the one hand, radical innovations rely strongly on firm-level spillovers, including property rights, and … innovation height matters. We also find evidence that TFP growth is better represented by an upward shift of the production …

play a role in the contemporaneous evolution of innovation in a broad cross section of countries today. Our results …, while 'home grown' innovation is more sensitive to internal structural and institutional factors. …

This paper investigates whether firms innovate persistently or discontinuously over time using an innovation panel data … set on German manufacturing and service firms for the period 1994-2002. We find that innovation behaviour is permanent at … innovation experience, the results further highlight the important role of knowledge provided by skilled employees and unobserved …