less likely. Imputation counteracts an incentive by the dominant network to "price squeeze" a rival by eliminating … and increasing their subscribers' surplus, imputation supports additional entry. Finally, an unbundling rule reduces …

across competing networks. We also discuss the importance of the principles of reciprocity and imputation of interconnection … charges on market equilibria. Reciprocity means that both networks charge the same for interconnection. Imputation means that … reciprocity. Moreover, prices under reciprocity obey the principle of imputation. In the long run, consumers subscribe to one of …