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Market share dynamics and the ‘persistence of leadership’ debate

Sutton, John (2004) Market share dynamics and the ‘persistence of leadership’ debate. EI, 37. Suntory and Toyota International Centres for Economics and Political Science, London School of Economics and Political Science, London, UK.

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Identification Number: 37

Abstract

This paper introduces a novel analysis of the classic “persistence of leadership” question, and applies it to a newly constructed dataset for Japanese manufacturing. The analysis rests on an appeal to an empirical “scaling relationship” between current market share and the variance of changes in market share. This relationship provides a powerful “model selection criterion” for candidate models of market share dynamics. It also makes it feasible, even in small datasets, to test directly for the properties of the “first passage times” corresponding to loss of leadership.

Item Type: Monograph (Discussion Paper)
Official URL: http://sticerd.lse.ac.uk
Additional Information: © 2004 John Sutton
Subjects: H Social Sciences > HB Economic Theory
H Social Sciences > HD Industries. Land use. Labor
JEL classification: L - Industrial Organization > L1 - Market Structure, Firm Strategy, and Market Performance > L10 - General
L - Industrial Organization > L6 - Industry Studies: Manufacturing > L60 - General
Sets: Collections > Economists Online
Research centres and groups > Suntory and Toyota International Centres for Economics and Related Disciplines (STICERD)
Departments > Economics
Date Deposited: 08 Jul 2008 15:27
Last Modified: 24 Jul 2014 10:47
URI: http://eprints.lse.ac.uk/id/eprint/6731

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