the network structure in a data set of collaborating economists. While we find support for the hypothesis of transitivity …

.10.2.1278/rne.2011.10.2.1278.xml">'Review of Network Economics'</A>, 2011, 10(2), 1-20.<P> 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 …

the network structure in a data set of collaborating economists. While we find support for the hypothesis of transitivity …

.An exploration of the micro aspects of the network yields three findings: one, the average number of co-authors is very small but … the economics world has the structure it does. The second part of the paper develops a simple theoretical model of co-authorship …

emerging small world.An exploration of the micro aspects of the network yields three findings: one, the average number of co … theoretical model of co-authorship. The main finding of the model is that in the presence of productivity differentials and a …

exploration of the micro aspects of the network yields three findings: one, the average number of co-authors is very small but … the economics world has the structure it does. The second part of the paper develops a simple theoretical model of co-authorship …

the removal of a strong tie. We test these hypotheses using data on the network of coauthorship amongeconomists. We find … isincreasing in the strength of the two ties, and two, the removal of a weak tieincreases average distance in the network more than …

believe that economics is an emerging small world. What is it about the network structure that makes the world small? An … exploration of the micro aspects of the network yields three findings: one, the average number of co-authors is very small but … second part of the paper develops a simple theoretical model of co-authorship. The main finding of the model is that in the …

time? We examine interaction among economists by looking at the evolution of co-authorship relations over a thirty year …, leading us to conclude that economics is an emerging small world. A crucial stable feature of the network over this period is …. The second part of the paper develops a simple theoretical model of collaboration in economics. We find that an unequal …