In this paper we test the celebrated `Strength of weak ties' theory of Granovetter (1973). We test two hypotheses on the network structure in a data set of collaborating economists. While we find support for the hypothesis of transitivity of strong ties, we reject the hypothesis that weak ties...

This paper deals with the influence of cultural attitudes towards uncertainty on the level of businessownership across countries. First, the concepts of uncertainty and risk are elaborated, as well as theirrelevance for entrepreneurship. Second, cross-sectional regression analysis using data for...