1. ARZAGHI, M . (2005), “A Study of Networking and Location Decisions in the Advertising Agency Industry” (PhD thesis, Brown University).
2. ARZAGHI, M. and HENDERSON, J. V . (2006), “Networking Off Madison Avenue” (http://www.econ.brown.edu/faculty/henderson/papers/MadisonAve101206.pdf)
3. “A Noncooperative Model of Network Formation”;BALA;Econometrica,2000
4. BAYER, P. , McMILLAN, R. and RUEBEN, K . (2004), “Residential Segregation in Equilibrium” (Mimeo, Yale University).
5. “Costs, Institutional Mobility Barriers, and Market Structure: Advertising Firms as Multiproduct Firms”;BERNDT;Journal of Economics and Management Strategy,1994