Single-product versus uniform SSNIPs
Journal article, Peer reviewed
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Original versionInternational Review of Law and Economics 2011, 31(2):142-146 10.1016/j.irle.2011.04.001
It is common to apply a SSNIP test with a uniform price increase on all products in the candidate market. We show that in situations with asymmetries – for example variations in revenues – a uniform SSNIP test may suggest that the relevant market should include more products even though it could be profitable to increase the price of only one product in the candidate market. Our results are illustrated with some findings from a survey in a local grocery market.
-This is preprint version of the article "Single-product versus uniform SSNIPs" International Review of Law and Economics Volume 31, Issue 2, June 2011, Pages 142–146.