Series Is Presented Here As Fourt Variables--(1)--Original Data, 1915-1934 (2)--Original Data, 1933-1948 (3)--Original Data, 1942-1948 (4) Original Data, 1948-1961 Beginning In 1948, Data Cover 54-58 Domestic Carriers Accounting For More Than Ninety Percent Of Revenues (See Scb, 1953 Supplement, P. 247.) Beginning In January 1954, Coverage Was Reduced To 38 Telephone Carriers Accounting For Over Ninety Percent Of Operating Revenues (Scb, May 1954 And Fcc Monthly Report.) Two Companies Operating Outside The Continental United States, And Previously Excluded, Were Now Added To The List Of Companies Reporting Monthly To The Fcc. In January 1957, Coverage Changed To 43 Companies; To 42 In March 1957; To 44 In January 1960. Source: Data For 1948-1952: Federal Communications Commission, "Statistics Of The Communications Industry In The United States, Year Ended December 31, 1951", Published 1953; Same Publication For The Year Ended December 31, 1952, Published 1954. Data For 1953-1961: U.S. Department Of Commerce, Survey Of Current Business; Fcc, Operations Data From Monthly Reports Of Telephone Carriers.
This NBER data series m03018d appears on the NBER website in Chapter 3 at http://www.nber.org/databases/macrohistory/contents/chapter03.html.
NBER Indicator: m03018d
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2005-08-01
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2005-08-01
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