information. We also find that the relative importance of knowledge sources varies systematically with the type of innovation … organization that one of the main drivers of differences in productivity is differences in knowledge. We examine a new data set of … detailed measures of knowledge outputs, knowledge investments, and sources of existing knowledge. We find that globally engaged …

) from upper-tail knowledge. As a proxy for the historical presence of knowledge elites, we use city-level subscriptions to … firm survey from the 1840s, we shed light on the mechanism: upper-tail knowledge raised productivity in innovative …

2007. It describes the main facts of Portugal's recent economic history, evaluates some possible explanations for its … firms. This explanation can also potentially account for the similarities and the differences between Portugal on the one … hand, and Ireland and Spain on the other, during this period, and for some features of the crash in Portugal after 2010 …

This paper studies the links between productivity, innovation and research at th level. We introduce three new features …: (i) A structural model that explains pro by innovation output, and innovation output by research investment; (ii) New dat … the available data: only a small proportion of firms engage in resea apply for patents; productivity, innovation and …

present a multicountry model of technological innovation and diffusion which has the implication that, for a wide range of …