agglomeration and congestion. The main finding is that the negative effect of congestion on productivity is highly likely to … outweigh the positive productivity effect of agglomeration economies within the STIPs but not among high-tech firms outside the … STIPs. The paper also finds that the productivity of high-tech firms, whether within or outside the STIPs, are positively …

through which upstream sector anticompetitive regulations may impact productivity growth: business investments in R&D and in …, management and organization. For this, we specify an extended production function relating productivity explicitly to R&D and ICT … productivity can be sizeable, and they provide evidence that a good part of the total impact, though not a predominant one, goes …

level annual-data covering all events occurring in the period between 1978 (Argentina) and 2006 (Germany), we show that the …