We empirically study the price adjustment process at multiproduct retail stores. We use a unique store level data set for five large supermarket and one drugstore chains in the U.S., to document the exact process required to change prices. Our data set allows us to study this process in great...

This paper tests and confirms the hypothesis that retail and wholesale Diesel 2 prices respond more quickly to increases than to decreases in wholesale and crude oil prices, respectively. Among the possible sources of this asymmetry, we find: production / inventory adjustment lags, refining...

Between 1995 and 2004, I find that airline prices fell more than 20% adjusted for inflation. I also show that premia at hub airports declined and that there is now substantially less disparity between the cheaper and more expensive airports than there was a decade ago. Still, I find that prices...