Drèze, Xavier; Nisol, Patricia; Vilcassim, Naufel J. - In: Quantitative Marketing and Economics 2 (2004) 1, pp. 59-92
An important question for retailers is whether promotions induce households to increase their in-store expenditures or merely reallocate a predetermined shopping budget. Should expenditures be fixed, retailers might decrease their profitability when running promotions by displacing expenditures...
