Levy, Daniel; Bergen, Mark; Dutta, Shantanu; Venable, Robert - In: Quarterly Journal of Economics 112 (1997) 3, pp. 791–824
We use store-level data to document the exact process of changing prices and to directly measure menu costs at five … multistore supermarket chains. We show that changing prices in these establishments is a complex process, requiring dozens of … item) changes prices two and one-half times less frequently than the other four chains; (2) within this chain the prices of …