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 addresses the increasing use of network forms of governance and the challenges would-be network managers confront, including the persistent need network structures create to secure a modicum of internal goal alignment among participating members, the difficulty of establishing and...