TelecommunicationCompetitionCongressesDeregulationEconometric modelsEconomic aspectsMathematical modelsRatesStatistical methodsTechnological innovationsUnited StatesAbsenteeism (Labor)AirAmerican Telephone and Telegraph CompanyCellular telephone services industry -- United States -- Rates -- Econometric models.Cellular telephone systems -- United States -- Rates -- Econometric models.Cellular telephones -- United States -- Rates -- Econometric models.Cereal products -- Prices -- Econometric models.ConcurrenceConsumer price indexesConsumer price indexes -- United States -- Econometric models.Consumer price indexes -- United States -- Measurement.Consumer price indexes.Contingent valuationDecision making
