EDLP, Hi-Lo, and Margin Arithmetic

Abstract

The authors examine the viability of an “everyday low price” (EDLP) strategy in the supermarket grocery industry. In two series of field experiments in 26 product categories conducted in an 86-store grocery chain, they find that a 10% EDLP category price decrease led to a 3% sales volume increase, whereas a 10% Hi-Lo price increase led to a 3% sales decrease. Because consumer demand did not respond much to changes in everyday price, they found large differences in profitability. An EDLP policy reduced profits by 18%, and Hi-Lo pricing increased profits by 15%. In a third study, the authors increase the frequency of shallow price deals in the context of higher everyday prices and find a 3% increase in unit volume and a 4% increase in profit. Finally, they draw a conceptual distinction between “value pricing” at the back door and EDLP pricing at the front door.

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