Goyal, Sanjeev; Leij, Marco van der; Moraga-González, … - 2004
This paper examines the small world hypothesis. The first part of the paper presents empirical evidence on the … evolution of a particular world: the world of journal publishing economists during the period 1970-2000. We find that in the … 1970's the world of economics was a collection of islands, with the largest island having about 15% of the population. Two …