We develop models of bilateral oligopoly with two-way traffic exchanges to study the impact of competition and government regulatory policies on the international telephone markets. When carriers in each country are required to act collectively in setting a uniform settlement rate for inbound...

We develop models of bilateral oligopoly with traffic exchanges to study the competition and regulatory policies in the international telephone markets. Under the requirement of uniform settlement rates, the proportional return rule (PRR) inflates the rates and hence neutralizes PRR's effect on...

This paper studies the market for monopolistically supplied sweepstakes. We derive equilibrium demands for fixed-prize and variable-prize sweepstakes and determine the profit maximizing prize level and payout ratio respectively. It can be profitable to offer each type of sweepstake when there...