price changes of the supermarket products they purchase. We discuss the implications of these findings for macroeconomic …

Using novel data describing the healthfulness of household food purchases and the retail landscapes consumers face, we … measure the role of access in explaining why wealthier and more educated households purchase healthier foods. We find that … healthfulness of household consumption responds minimally to improvements in local retail environments. Our results indicate that …

answer this question we use a dataset with product level retail prices and wholesale costs for a large grocery chain with … estimate and interpret the border effect. We report three main facts: 1) The median absolute retail price and whole-sale cost … discontinuity is close to 0%; 2) The variation in the retail price gap at the border is almost entirely driven by variation in …

For many products the average price paid by consumers falls during periods of high demand. We use information from a … large supermarket chain to decompose the decrease in the average price into a substitution effect, due to an increase in the … share of cheaper products, and a price reduction effect. We find that for almost all the products we study the substitution …

Hausman (2003) discusses four sources of bias in the present calculation of the CPI. A pure price' index based approach … food items at an average price about 15%-25% lower than traditional supermarkets. The BLS links out' Wal-Mart's lower … weighted average price calculation. We find a significant difference between our approach and the BLS approach. Our estimates …

This paper uses detailed data on retail pharmacy transactions to make inferences about the nature and intensity of … particular, prices vary widely across stores, and stores' price rankings are inconsistent across drugs (so the low-price pharmacy … are generally low: I estimate that for a typical prescription, the fraction of consumers that price-shops is approximately …

We report results from a validation study of Nielsen Homescan data. We use data from a large grocery chain to match …, price, and quantity are reported with error. We focus on recording errors in prices, which are more prevalent, and show that … constructs the price data. We then show how the validation data can be used to correct the impact of recording errors on …

feedstocks over the 2007-2022 period. We find that the biofuel mandate will increase corn price by 24%, reduce the price of … reduce the adverse impact of the mandate alone on crop prices and decrease the price of biofuels. However, they impose a …

Different theories of price stickiness have distinct implications on the number of modes in the distribution of price … changes. We formally test for the number of modes in the price change distribution of 36 supermarkets, spanning 22 countries …