Abstract:As innovation becomes an ever more central issue for the development of firms and world economies, so the need for improved assessments of innovative performance grows more urgent. This paper suggests that trademark analysis can contribute in capturing relevant aspects of innovation phenomena and the process of industrial change. We propose trademarks as a complementary indicator in the portfolio of available empirical tools of innovation studies and industrial dynamics. Our empirical exploration is based on a study of Community Trade Marks, an intellectual property right granted in the European Union, and draws on recent research on trademarking trends in Portugal. Quantitative as well as qualitative data, including survey data from a representative sample of Portuguese manufacturing and services firms, are used to identify the advantages and limitations of this indicator.

The number of scientific papers published by researchers in Africa has been rising faster than the total world scientific output in recent years. This trend is relevant, as for a long period up until 1996, Africa's share of the world scientific output remained below 1.5 %. The propensity to publish in the continent has risen particularly fast since 2004, suggesting that a possible take-off of African science is taking place. This paper highlights that, in parallel with this most recent growth in output, the apparent productivity of African science, as measured by publications to gross domestic product, has risen in recent years to a level above the world average, although, when one looks at the equivalent ratio after it has been normalized by population, there is still a huge gap to overcome. Further it is shown that publications from those few African countries whose scientific communities demonstrate higher levels of specialization and integration in international networks, have a higher impact than the world average. Additionally, the paper discusses the potential applications of the new knowledge that has been produced by African researchers, highlighting that so far, South Africa seems to be the only African country where a reasonable part of that new knowledge seems to be connecting with innovation.

The impact of the scientific output produced by different nations in different fields varies extensively. In this article, we apply bibliometric and econometric analysis to identify which countries are producing research with relatively higher scientific influence, and to understand what factors lead to higher citation impact. We focus specifically on the Global South because countries in this group are starting to converge in terms of output with the Global North. We find that previous citation impact, level of international collaboration and total publications in a specific scientific field are important determinants of citation impact among all nations. Yet, specialisation in particular scientific fields seems significantly more important in the Global South than in the Global North. We propose possible explanations for the patterns found and derive some policy implications.

Portuguese and Spanish universities have adopted well-defined royalty sharing schedules over the last fifteen years. We investigate whether such royalty sharing schedules have been effective in stimulating inventors' efforts and in ultimately improving university outcomes. We base our empirical analysis on university-level data and two new self-collected surveys for both inventors and Technology Transfer Offices (TTOs). Evidence from the inventors' survey indicates that one third of respondents are incentivised by current royalty sharing schedules, one third could be incentivised by higher royalty shares, and the remaining third is totally insensitive to royalty sharing. Plain regressions on university level datasets suggest that the incentive effects documented by the inventors' survey fail to translate into increased patenting or licensing income. It would seem that inventor royalty shares are not as influential as they could be, due to the poor commercial prospects of university inventions. Among other possible reasons, these poor prospects appear to reflect the fact that inventors are unable to produce potentially licensable inventions, or that eventually TTOs may not be focussing enough on commercialising their inventions.

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In recent years, the subject of technological infrastructures has commanded increasing interest from several socio-economic and political segments, including policy-makers, development agents, entrepreneurs, academic and research communities. The focus of industrial and innovation policies has been gradually shifting away from the exclusive or dominant use of direct instruments of support to other more indirect forms of assistance. In order to improve the competitive environment of firms, huge amounts of money have been pouring into the building and reinforcing of technological infrastructures. Among the infrastructures that have been stimulated, business incubators seem to be a possible policy tool aiming at the constant increment of firms' competitiveness and economic development, through the promotion of technology-based entrepreneurship, diversification of productive activities and the generation and diffusion of innovation in the economy. Incubators have been implemented all over the world, putting together several social actors and their different sets of purposes and objectives. As a consequence, they have also generated a high level of political and economic expectations in relation to their performance. This paper aims to contextualise and systematise the available information and knowledge on incubators as a technological infrastructure and policy tool, providing background information for the whole set of papers of this Special Issue of the International Journal of Entrepreneurship and Innovation Management on 'Business incubators and SMEs: policy and determinants for their success'.