Science is a winner-take-all profession in which only few contributions get excessive attention and the large majority of papers_new remains receives scant or no attention. This so-called ‘waste’ together with all the competitive strategies of scientists seeking attention is part and parcel...

This discussion paper led to a publication in the <A href="http://www.sciencedirect.com/science/article/pii/S0167718710000913">'International Journal of Industrial Organization'</A>, 29(2), 232-41.<P>Taking technological differences between firms as given, we show that the technologically advanced firm has a stronger incentive for technology licensing under a decentralized...</p></a>

We formulate a simple model of optimal defensive disclosure by a monopolist facinguncertain antitrust enforcement and test its implications using unique data on defensivedisclosures and patents by IBM during 1955-1989. Our results indicate that strongerantitrust enforcement leads to more...

We extend Lazear’s theory of skills variety and entrepreneurship in three directions. First, we provide a theoretical framework linking new business creation with an entrepreneur’s skill variety. Second, in this model we allow for both generalists and specialists to possess skill variety....

This discussion paper resulted in a publication in <I>Structural Change and Economic Dynamics</I>, 2013, 24, 141-156.<P> We address the notion of dynamic, endogenous diversity and its role in theories of investment and technological innovation. We develop a formal model of an innovation arising from the...</p></i>

We demonstrate the possibility of shake-out of firms and emergence of inter-firmheterogeneity along the (socially optimal) dynamic equilibrium path of a competitive industry with freeentry and exit, even when there is no uncertainty and all firms are ex ante identical with perfectforesight....

The organization of Electronic Dance Music (EDM) events has become a major export product in the Netherlands. In order to respond quickly to the new trends and needs, innovative forms of cooperation between producers are to be set up for the organization of exciting new events. A case study on...

Innovation and technological change are central to the quest for regional development. In the globally-connected knowledge-driven economy, the relevance of agglomeration forces that rely on proximity continues to increase, paradoxically despite declining real costs of information, communication...

This discussion paper resulted in a chapter in (P. Nijkamp, J. Poot, M. Sahin (Eds.)) <I>Migration Impact Assessment: New Horizons</I>, 2012 (KNAW sponsored).<P> The concentration of people with diverse socio-cultural backgrounds in particular geographic areas may boost the creation of new ideas,...</p></i>

Prior research suggests that start-up costs and taxes negatively influence entry into entrepreneurship. Yet, no distinction is made regarding the type of entrepreneurship, particularly innovative versus non-innovative entrepreneurship. Start-up costs, being one-off costs, may reduce the entry of...