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http://ssrn.com/abstract=1698486
 
 

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The Troubled Path of the Lock-In Movement


Stan J. Liebowitz


University of Texas at Dallas - School of Management - Department of Finance & Managerial Economics

Stephen E. Margolis


North Carolina State University - Department of Economics

June 1, 2012

Journal of Competition Law and Economics, Forthcoming

Abstract:     
Paul David (1985), Brian Arthur (1989) and others introduced a 'new economics' of increasing returns, alleging problems of path dependence and lock-in. These conditions were claimed to constitute market failure and were soon featured in antitrust actions, most famously in Microsoft. We (1990, 1994) challenged the empirical support for these theories and their real-world applicability. Subsequently, David and others have responded, arguing that lock-in theories require no empirical support, market failures were never an important feature of their writings, and the empirical evidence that had been forward was never meant to be taken literally. Nevertheless, David and others claim that their theories have policy significance. Indeed, lock-in claims continue to appear as a basis for antitrust action. We now respond to the response of David and others, review new developments in this literature, and consider antitrust implications in light of the deficiencies in lock-in theories and related empirical work.

Number of Pages in PDF File: 27

Keywords: qwerty, path dependence, lock-in, network effect, Paul David, Brian Arthur, network externality

JEL Classification: K2, L4, L5, O3

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Date posted: October 30, 2010 ; Last revised: February 13, 2013

Suggested Citation

Liebowitz, Stan J. and Margolis, Stephen E., The Troubled Path of the Lock-In Movement (June 1, 2012). Journal of Competition Law and Economics, Forthcoming. Available at SSRN: http://ssrn.com/abstract=1698486 or http://dx.doi.org/10.2139/ssrn.1698486

Contact Information

Stan J. Liebowitz (Contact Author)
University of Texas at Dallas - School of Management - Department of Finance & Managerial Economics ( email )
800 W Campbell Road
Mail Station SM 31
Richardson, TX 75080
United States
972-883-2807 (Phone)
972-883-2818 (Fax)
HOME PAGE: http://www.utdallas.edu/~liebowit/
Stephen E. Margolis
North Carolina State University - Department of Economics ( email )
Raleigh, NC 27695-8110
United States
919-513-2565 (Phone)
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