Two faces of the ICT revolution

Martin Kahanec

"Social interaction is the primary vehicle through which advancement of information and communication technologies (ICT) affects socio-economic outcomes. In the context of minority-majority relations, social distances and segregation determine the benefits individuals gain from social interaction and from improvement of its efficiency. In the general equilibrium framework, this paper argues that ICT advancement disproportionately increases the efficiency of social interaction in ethnically integrated social networks and that of majority individuals, thereby causing desegregation and increasing interethnic earnings inequality at the same time. The argument thus explains the concurrence of two seemingly contradicting developments in the lives of Black and White Americans since the late 1970s -- rising interethnic earnings inequality and desegregation of Blacks. Furthermore, I establish...