This paper analyses a large database on inter-firm R&D cooperation formed in the pharmaceutical biotechnology industry during the period 1985 - 1998. The results indicate that network size largely grows, whereas the density of the network declines during the periods. In the network analysis that...

We study how firm innovativeness is related to individual cooperation events and the structure and dynamics of firms’ ego-networks employing a unique panel dataset for the full population of 233 German laser source manufactures between 1990 and 2010. Firm innovativeness is measured by yearly...

Acquisitions can dramatically reshape interorganizational networks by combining previously separate nodes and allowing the acquirer to inherit the target's ties. We define network synergy as the extent to which combining acquirer and target networks through node collapse results in a more...

This paper examines how a radical technological innovation affects alliance formation of firms and subsequent network structures. We use longitudinal data of interfirm R&D collaborations in the biopharmaceutical industry in which a new technological regime is established. Our findings suggest...

This paper analyses the effects of innovation networks on product and process innovation and sales growth of high technology SMEs. Innovation networks are positively related to both product and process innovation, i.e. knowledge creation. One exception is the negative effect of innovation...

This paper distinguishes entrepreneurial network effects from the firm effects and industry effects that have been the focus of much of the literature about the economics of technological change and the economics of industrial organization. A method of identifying entrepreneurial networks is...

Empirical and theoretical contributions provide strong evidence that firm-level performance outcomes in terms of innovativeness can either be determined by the firm’s position in the social space (network effects) or by the firm’s position in the geographical space (co-location effects)....

We investigate patterns in common ownership networks between firms that are active in the US pharmaceutical industry for the period 2004-2014. Our main findings are that "brand firms" - i.e. firms that have R&D capabilities and launch new drugs - exhibit relatively dense common ownership...

We investigate patterns in common ownership networks between firms that are active in the US pharmaceutical industry for the period 2004-2014. Our main findings are that “brand firms” — i.e. firms that have R&D capabilities and launch new drugs — exhibit relatively dense common ownership...