Market power Homogenous and differentiated products Market shares
Issue Date:
2003
Publisher:
Statistical and Social Inquiry Society of Ireland
Citation:
Whelan, Ciara. 'Barrington lecture 2002/2003: is equating market share to market power a sound economic principle?'. - Dublin: Journal of the Statistical and Social Inquiry Society of Ireland,Vol. XXXII, 2002/2003, pp109-128
Series/Report no.:
Journal of the Statistical and Social Inquiry Society of Ireland Vol. XXXII 2002/2003
Abstract:
There is a long history of mapping market structure into market power in
economic analysis. This paper addresses the validity of this principle for both
homogenous and differentiated products industries. While mapping market share
dominance into market power may be acceptable for homogenous goods as a rule of
thumb, it is by no means a robust result. In the case of differentiated products
industries, there is no theoretical foundation for such a mapping. This paper
highlights the need to move towards a structural approach to assessing market power
in industries.
Description:
Read before the Society, 8 May 2003.
This lecture is delivered under the auspices of the Barrington Trust (founded by
the bequest of John Barrington, Esq.) with the collaboration of the Journal of the
Statistical and Social Inquiry Society of Ireland.
Please note: There is a known bug in some browsers that causes an
error when a user tries to view large pdf file within the browser window.
If you receive the message "The file is damaged and could not be
repaired", please try one of the solutions linked below based on the
browser you are using.
Items in TARA are protected by copyright, with all rights reserved, unless otherwise indicated.
