Release: NBER Macrohistory Database
Series Is Presented Here As Four Variables--(1)--Original Data, 1915-1934 (2)--Original Data, 1933-1948 (3)--Original Data, 1942-1948 (4)--Original Data, 1948-1961 Data In This Variable Cover Class A Companies -- Those Having Annual Operating Revenues In Excess Of $250,000. Under Federal Communications Commission Jurisdiction, Class A Companies Are Those With Operating Revenues Of Over $100,000, But Only Those Having Over $250,000 ("Large Companies") File Monthly Reports. Data Cover Approximately 103 Companies. Source: Interstate Commerce Commission Files
This NBER data series m03018a appears on the NBER website in Chapter 3 at http://www.nber.org/databases/macrohistory/contents/chapter03.html.
NBER Indicator: m03018a
National Bureau of Economic Research, Total Operating Revenues, Telephone Companies for United States [M0318AUSM144NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/M0318AUSM144NNBR, November 18, 2017.