STATIONARITY TESTS IN GEOGRAPHIC MARKETS: AN APPLICATION TO SOUTH AFRICAN MILK MARKETS
The paper focuses on the delineation of geographic markets in competition analysis, investigating the use of tests of price co-movement in the market definition exercise. To this end, the first part is devoted to a conceptual framework for market definition (adopted from <link rid="b11">Haldrup (2003</link>)). Thereafter, a variety of price tests are explored that can be applied within the quantitative part of the framework. Similar to <link rid="b8">Forni (2004</link>), the paper emphasizes the use of stationarity tests (that is, tests for the existence of unit roots) - illustrating their application to a recent competition investigation in South Africa. Copyright (c) 2007 The Author. Journal compilation (c) 2007 Economic Society of South Africa.
Year of publication: |
2007
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Authors: | Boshoff, Willem h. |
Published in: |
South African Journal of Economics. - Economic Society of South Africa - ESSA, ISSN 0038-2280. - Vol. 75.2007, 1, p. 52-65
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Publisher: |
Economic Society of South Africa - ESSA |
Saved in:
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