In this paper, we compare the correlation among formal and informal volunteering and self-perceived health across 13 European countries after controlling for socio-economic characteristics, housing features, neighborhood quality, size of municipality, social and cultural participation and...

The purpose of this paper is to explore the correlation between the technological proximity measures in three areas: USA, Japan and Europe. In each economic area, we use information from two international patent systems to construct the technological proximity for 240 international firms. In...

The aim of this paper is to investigate the impact of internal and external research collaborations on the scientific performance of academic institutions. The data are derived from the international SCOPUS database. We consider both quantity (the number of publications) and quality indicators...

The aim of this paper is to investigate the role of Jacobian externalities stemmed from different technological sectors for international firms engaged both in environmental and in dirty activities. Firms' innovation, measured, as the development of new patents, is a key factor behind the...