Leij, Marco van der; Goyal, Sanjeev - Instituto Valenciano de Investigaciones Económicas (IVIE) - 2010
This paper examines the celebrated "Strength of weak ties" theory of Granovetter(1973). We formalize the theory in … isincreasing in the strength of the two ties, and two, the removal of a weak tieincreases average distance in the network more than … the removal of a strong tie. We test these hypotheses using data on the network of coauthorship amongeconomists. We find …