Key points are not available for this paper at this time.
Albert C. Bemmaor, Dominique Mouchoux, Measuring the Short-Term Effect of In-Store Promotion and Retail Advertising on Brand Sales: A Factorial Experiment, Journal of Marketing Research, Vol. 28, No. 2 (May, 1991), pp. 202-214
Bemmaor et al. (Wed,) studied this question.