Whilst innovative performance has been viewed as a function of both a firm's network structure (Ahuja, 2000, Salman and Saives, 2005) and it's location (Powell et al., 2002), little research to date has sought to integrate these perspectives (Oerlemans and Meeus, 2005).  read more »

A stochastic model of the evolution of the firm population in a region and industry is developed. This model is used to make predictions about the expected probability distribution of the firm number in regions and their dynamics. Data on the spatial distribution of firms in Germany is used to check the predictions and estimate the parameters of the model.  read more »

The U.S. Small Business Innovation Research (SBIR) program offers a unique opportunity to track individual scientists as they venture from research to commercialization.  read more »

This paper studies the effect of inter-firm R&D network ties on the technological performance of companies in high-tech industries. Tie strength is analysed through a multidimensional perspective.  read more »

In this study alliance mechanisms are investigated to explain why some firms extract superior rents from their alliance portfolios. First, I examine the relationship between alliance experience and the use of alliance mechanisms. Second, I investigate the impact of mechanisms on the firm's ability to manage alliance portfolios.  read more »

This article seeks to measure and understand the prevalence of, and barriers to, university knowledge-based venturing and commercialisation in London. It finds that many of the key resources associated with successful commercialisation are skewed towards larger and more prestigious universities.  read more »

Technology transfer issues are of great interest in researchers and policy makers agenda because of its implications in terms of innovation diffusion and economic welfare. Among the others, workers’ mobility, namely highly skilled ones, is considered as one of the most influential channels for knowledge transmission.  read more »

In this paper we analyze the innovative performance of alliance networks as a function of the technological distance between partners, a firm’s network position (centrality) and total network density.  read more »

Alliances play a central role for firm value. This paper investigates how a firm’s diversity with its alliance partners affects its abnormal stock market return following an announcement of a hightech multifirm alliance. We present four theoretically grounded competing hypotheses on the relationship:  read more »

This paper investigates whether firms innovate persistently over time using panel data on German firms for the period 1994–2002. I find that innovation is permanent at the firm–level to a very large extent.  read more »