We empirically estimate the substitutability of fixed and mobile services for telecommunications access using a large, US household survey conducted over the period 2000-2001. Estimated cross-price elasticities confirm that second fixed line and mobile services are substitutes for one another....

A natural experiment, unintentionally conducted by the price subsidy program Lifeline Assistance, underpins our innovative strategy to estimate consumer demand for communications services. Using a national household panel containing demographic and billing information, we estimate own and...