Data on sales of memory modules are used to explore several aspects of e-retail demand. There is a strong relationship between e-retail sales to a given state and sales tax rates that apply to purchases from online retailers. This suggests that there is substantial substitution between online...

While a fast-growing body of research has looked at how the advent and diffusion of e-commerce has affected prices, much less work has investigated e-commerce's impact on the number and type of producers operating in an industry. This paper theoretically and empirically takes up the question of...

We document the degree of price dispersion and the similarities as well as differences in pricing and promotion strategies across stores in the U.S. retail (grocery) industry. Our analysis is based on “big data” that allow us to draw general conclusions based on the prices for close to...

Barcodes and barcode scanners transformed the grocery industry in the 1970s. I use store-level data from the 1972, 1977, and 1982 Census of Retail Trade, matched to data on store scanner installations, to estimate scanners' effect on labor productivity. I find that early scanners increased a...

We review major changes in the economics of the US retail sector over the past 15-20 years and discuss what these portend for the future evolution of retail. The sector has been shrinking in relative size over the long term, though this stopped around the onset of the Great Recession. Retail has...

We investigate the impact of access to convenience stores and competition between convenience store chains on medical care use and expenditures in Taiwan; the country with the highest density of convenience stores in the world. Our study makes use of insurance claims from 0.85 million...