Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/63792
Authors: 
Stenborg, Markku
Year of Publication: 
2004
Series/Report no.: 
ETLA Discussion Papers, The Research Institute of the Finnish Economy (ETLA) 903
Abstract: 
Indirect analysis of market power requires market delineation. Procedures in competition case law can be biased, as sample of market participants is typically biased or wrong one for analysis of market boundaries. Market delination can then be biased to too narrow markets, thus finding too much market power. As a remedy, analysis should concentrate on marginal, not infra-marginal customers, and use and understand economic tools such as demand elasticity and direct estimation of market power, if possible.
Subjects: 
market delineation
competition policy
SSNIP-test
demand elasticity
JEL: 
L40
K21
Document Type: 
Working Paper

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