1970's the world of economics was a collection of islands. Two decades later, in the 1990's the world of economics was much … individuals on the largest island had fallen significantly. Thus we believe that economics is an emerging small world … a large number of co-authors. Thus the economics world is a set of inter-connected stars.We take the view that …

component" - covering only 15% of the population. However, by the 1990's economics was much more integrated, with the giant …, leading us to conclude that economics is an emerging small world. A crucial stable feature of the network over this period is … themselves). The world of economics is thus a collection of inter-linked stars. We also find that a growth in the average number …

1970's the world of economics was a collection of islands, with the largest island having about 15% of the population. Two … decades later, in the 1990's, the world of economics was much more integrated, with the largest island covering close to half … believe that economics is an emerging small world. What is it about the network structure that makes the world small? An …

1970's the world of economics was a collection of islands, with the largest island having about 15% of the population. Two … decades later, in the 1990's, the world of economics was much more integrated, with the largest island covering close to half … believe that economics is an emerging small world. What is it about the network structure that makes the world small? An …

1970's the world of economics was a collection of islands. Two decades later, in the 1990's the world of economics was much … individuals on the largest island had fallen significantly. Thus we believe that economics is an emerging small world … a large number of co-authors. Thus the economics world is a set of inter-connected stars.We take the view that …

We survey the literature on social networks by putting together the economics, sociological and physics … not explain why they emerge. On the contrary, the economics approach is very precise in explaining why networks emerge but … results with those obtained in sociology. -- random graph ; game theory ; centrality measures ; network formation ; weak and …

We survey the literature on social networks by putting together the economics, sociological and physics … not explain why they emerge. On the contrary, the economics approach is very precise in explaining why networks emerge but … results with those obtained in sociology. -- Random graph ; game theory ; centrality measures ; network formation ; weak and …

In this paper we test the celebrated `Strength of weak ties' theory of Granovetter (1973). We test two hypotheses on …