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A. P. Herbert Accounts administrative advantage advertising allocation alternative annual areas argued Arthur Seldon Britain British telephone service bulk supply agreements call failure rate cent commercial Committee communication complaints congestion consumer cover average criteria demand earn economic effective efficiency Ernest Marples exchange expenditure Federal Communications Commission G. H. Peters George Stigler Hansard increase indicates individual interest marginal cost means million Notes on Telephone number of telephones Office Engineering Union operating organisation parliament Pene phones political Post Office Engineering Post Office Telecommunications Postmaster price discrimination problem Professor profit Public Utility Commissions rate of return Rate of tration Reginald Bevins regulation reported residential return on capital revenues social Statistics subscribers subsidy supplier supply of telephone tele Telecommunications Telegraph Company Telephone and Telegraph telephone companies telephone customers Telephone Development telephone equipment TELEPHONE PENETRATION total number tration Growth trunk call United users Western Electric