The present study analyses the international activities of British start-up companies in high-technology industries. The research makes the following contributions. First, it is the first study that establishes the prevalence of internationally operating start-up companies in a particular country. Accordingly, we find that the majority of British high-tech start-ups have engaged in international activities within a few years since formation. Second, it consolidates the existing knowledge in the fields of international entrepreneurship and subjects it to empirical testing. Third, it assesses the power of different theories in international business to explain the cross-border activities of start-up companies. Overall, the research lends support to a resource-based perspective of international entrepreneurship since the proxies for transaction cost-based arguments and the internationalisation process theory are of limited explanatory power.

Established theories in international business come to different conclusions when specifically applied to the analysis of the international activities of start-up companies in high-technology industries. Using a new dataset of 495 British and German start-ups operating in high-technology industries, we analyse the differences between those companies that have built up international activities and those which only compete in their home country. Our findings suggest that the key discriminatory variables are: age, the extent to which the product requires customisation, regularity of R&D activities, and the international professional experience of the founders. These findings suggest that internationalisation of New Technology Based Firms is best explained by adopting elements from a number of different theoretical frameworks.

There is now a certain tradition of Anglo-German comparative research on new technology-based firms (NTBFs). Two of the most influential studies in this area have both been sponsored by the Anglo-German Foundation for the Study of In dustrial Society (AGF). Starting in 1977, the first AGF project on NTBFs, which was carried out by the consultancy firm Arthur D. Little, has been one ofthe most important early contributions in this field (Little 1977). This report was the first public document to use the term 'new technology-based firm' and to provide a definition, which despite its operational limitations subsequently became an es tablished term in the literature. More importantly, this study represented one ofthe first serious attempts to survey the existing stock of this type of firm. The report was critical of the contemporary situation in Europe. (This is a policy area which continues to be hotly debated, see European Commission 1995, Bank of England 1996 and HM Treasury 1998. ) It emphasised that, in comparison with the USA, Germany and the UK were each lagging behind if judged by the rate of formation of NTBFs and in their total contribution to the overall economic activity of both countries. In terms of a policy contribution, this study was instrumental in high lighting the lack ofsupport infrastructures for the genesis and growth of high-tech start-ups in two of Europe's leading economies.

The latest volume of Advances in Entrepreneurship, Firm Emergence and Growth examines many questions regarding growth. What decisions and designs of the entrepreneur lead to growth? Are there differences in what drives high growth entrepreneurship versus slower growth entrepreneurship? Are new firms adopting novel approaches to growth?

We examine the impact of technological product advantages, prior international experience of the management, firm size and age, country differences, and sunk costs as determinants of the timing of international market entry. The timing of internationalisation is analysed using 'event history analysis' for 600 British and German start-up companies in high-technology industries. The results indicate that the incidence of internationalization increases over time. For the majority of new firms the question is not whether the firm will internationalize but when. The analyses indicated that a high commitment to R&D fosters rapid internationalization. The involvement of founder managers who are internationally experienced increases the speed of foreign market activity. Working against rapid internationalization was a high level of product customization. The findings suggest that timing of internationalization is a dynamic process which is influenced by initial human capital endowment, technological advantages, and learning from of day to day activities.

The drivers of globalization are removing the barriers that segregated the competitive space of the small and large firms in the past. It is becoming increasingly difficult for independent small firms to thrive in their traditional markets unless they are globally competitive. Managing an enterprise's commercial, industrial and political relations well, regardless of size and location, is the essence of the entrepreneurial challenge in this competitive arena. Small and medium size enterprises (SMEs) often face very different issues than large multinational enterprises do when confronting internationalization. This volume provides an in-depth discussion of these challenges. The contributors to this volume explore the emerging patterns of SME growth and international expansion in response to the evolving competitive environment, dynamics of competitive behavior, entrepreneurial processes and formulation of strategy. They examine the basis and requirements of growth and expansion from three perspectives: the rapidly-changing environment in which business is conducted, entrepreneurial characteristics, and the evolving strategic and competitive response to this changing business environment. Business leaders, scholars and students interested in international business and entrepreneurship will welcome this volume.