AT&T Inc., the large U.S. phone company and the one-time monopoly, left the payphone business because people
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AT&T Inc., the large U.S. phone company and the one-time monopoly, left the payphone business because people were switching to wireless phones
(Crayton Harrison, “AT&T to Disconnect PayPhone Business After 129 Years,” Bloomberg.com, December 3, 2007). The number of wireless subscribers quadrupled in the past decade: 80% of U.S.
phone users now have mobile phones. Consequently, the number of payphones fell from 2.6 million at the peak in 1998 to 1 million in 2006. (But where will Clark Kent go to change into Superman now?) Use graphs to explain why a monopoly exits in a market when its demand curve shifts to the left.
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Related Book For
Microeconomics Theory And Applications With Calculus
ISBN: 9780133019933
3rd Edition
Authors: Jeffrey M. Perloff
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