Using firm-level data for 28 transition countries in Eastern Europe and Central Asia over the 2002–2009 period, this paper analyzes whether differences in the functioning of intellectual property rights (IPRs) systems—measured along various dimensions, including de facto enforcement and de...

Impactful inventions carry forward combinations of components which depart from common practices: they remove restrictions in the knowledge space by breaking conventional rules. In this paper we present a novel measure of the extent to which combinations in the inventive process conform to...

Recent empirical studies of firm-level performance have been concerned with establishing potential complementarity between more than two organizational practices. These papers have drawn conclusions on the basis of potentially biased estimates of pair-wise interaction effects between such...

This paper assesses the performance effects of simultaneous engagement in R&D cooperation with different partners (competitors, clients, suppliers, and universities & research institutes). We test whether these different types of R&D cooperation are complements in improving productivity. The...