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Many countries' policymakers have conducted international price comparisons of mobile telecommunications services to prevent service operators from overcharging subscribers. However, those comparisons have become more complicated because of the escalation in service usage and telecommunications expenditures spurred by the proliferation of smartphones and broadband LTE wireless internet service networks. The basket-based methodologies that have been widely used for international price comparisons are also limited—first, because the baskets for comparison may not be representative of actual service usage patterns in some countries; second, because they are difficult to apply to highly differentiated service plans due to the significant increase in wireless internet service usage and widely used plans with unlimited voice call service and SMS/MMS; and third, because they cannot consider the …