← Search American Economic Review Vol. 83 No. 2 1993 The Effects of the Breakup of AT&T on Telephone Penetration in the United States Jerry Hausman; Timothy Tardiff; Alexander Belinfante Volume83 Issue2 Pages178-184 Sources bibtex:phds-export.bib Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓