Hall, Bronwyn H; MAIRESSE, Jacques; Lotti, Francesca - National Bureau of Economic Research (NBER) - 2008
success from firm surveys along with the usual R&D expenditures and productivity measures. We then apply the model to data on … process and product innovation. Both these kinds of innovation have a positive impact on firm's productivity, especially … a set of firm and market characteristics. We find that international competition fosters R&D intensity, especially for …