Hanaki, Nobuyuki; Nakajima, Ryo; Ogura, Yoshiaki - 2013
In this paper, we provide an empirical analysis of evolving networks of successful R&D collaborations in the IT industry in the U.S. between 1985 and 1995. We first show that the network has become more extensive, more clustered, and more unequal in the sense that 'stars' have emerged in the...