This paper investigates whether the distinction between patent citations added by the inventor or the examiner is relevant for the issue of geographical concentration of knowledge flows (as embodied in citations). The distinction between inventor and examiner citations enables us to work with a...

Most empirical evidence indicates that the costs of environmental regulation represent a minor fraction of total production costs. This finding is at odds with the assumption of stringent environmental regulation of both propo-nents and opponents of the ''Porter Hypothesis''. A possible...

This paper evaluates some of the technological and economic factors that underlie the choice between in-house R&D, R&D alliances and outsourcing. We recount the reasons for the growth in non-internal activities, and explain why these are not as prevalent for R&D as other value-adding activities,...

This paper examines the relevance of both an efficiency-based network strategy and a learning-based network strategy in the context of inter-firm partnering. The effect of these different forms of network behaviour on company performance is analysed for companies in the international computer...

The paper examines the relationship between network externalities and the value ofthe World-Wide Web. It is shown that value depends on two offsetting effects. First,as the Web grows in size, so existing users gain from the additional content providedby new users. This is the standard concept of...

This research develops a theory and presents empirical evidence of a link between economic outcomes and genetic evolution. Important properties for successful analysis of such a link are found in the adaptive immune system and particularly in the major histocompatibility complex (MHC), a...

This paper examines the relationship between the location of R&D and production activities. By using a sample of 799 Japanese investments in Europe, it distinguishes between affiliates performing only R&D, both R&D and production, and production only. The analysis produces two main results....

Our primary objective here is to suggest when, and under what circumstances is it advantageous for firms to engage in the use of either in-house R&D activity, R&D outsourcing or R&D alliances. The extent to which a firm will use either of these modes is very much dependent on the technology and...

The paper examines the dynamics of the amateur camera market – a mature industry - in the period 1955-1974. The case study raises a number of important issues for innovation management in mature industries characterised by heterogeneous preferences and heterogeneous product designs. First, it...

This case study questions how Flanders Language Valley developed as a cluster of localized technological change. Through licensing the attracted small, mostly foreign firms use the research lab of L&H Speech Products as a common source of codified knowledge and with their fast entrepreneurial...