Using Market-Level Data to Understand Promotion Effects in a Nonlinear Model
| Autor: | Christen, Markus, Gupta, Sachin, Porter, John C., Staelin, Richard, Wittink, Dick R. |
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| Zdroj: | Journal of Marketing Research, 1997 Aug 01. 34(3), 322-334. |
| Databáze: | JSTOR Journals |
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