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Steffen Hoernig, Roman Inderst and Tommaso Valletti (2014).
Calling Circles” Network Competition with Nonuniform Calling Patterns.
RAND Journal of Economics, Vol.45, No.1, pp. 155-175.
Steffen Hoernig, Roman Inderst and Tommaso Valletti (2014).
RAND Journal of Economics, Vol.45, No.1, pp. 155-175.