文章基本信息

标题：Single-Product versus Uniform SSNIPs
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作者：Øystein Daljord Lars Sørgard
期刊名称：Discussion Papers / Norwegian School of Economics and Business Administration
印刷版ISSN：0804-6824
出版年度：2010
卷号：2010
出版社：Bergen
摘要：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 one product having a limited sale – a uniform SSNIP test can 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.