Relative price dispersion refers to persistent differences in the price that different retailers set
for one particular good relative to the price they set for other goods. Relative price dispersion …

This paper studies an empirical model of spatial competition applied to gasoline markets.
The main feature is to specify commuting paths as the “locations''of consumers in a Hotelling …

We provide generalizable results on the price and promotion tactics employed in the US
retail grocery industry. First, we document a large degree of price dispersion for UPCs and …

Using a unique dataset of daily US and UK price listings and the associated number of clicks
for precisely defined goods from a major shopping platform, we shed new light on how …

A variety of models provide differing predictions regarding the effect of an increase in the
number of competitors in a market (seller density) on prices and price dispersion. We review …

Mark Sagoff has written an engaging and provocative book about the contribution
economics can make to environmental policy. Sagoff argues that economics can be helpful …

Prices for grocery items differ across stores and time because of promotion periods.
Consumers therefore have an incentive to search for the lowest prices. However, when a …

I measure price dispersion among differentiated retail gasoline sellers and study the
relationship between dispersion and the local competitive environment. Significant price …

This article studies the role of imperfect information in explaining price dispersion. We use a
new panel data set on the US retail gasoline industry and propose a new test of temporal …

We use a data set consisting of a three year panel of prices from a sample of gasoline
stations located in suburban Washington DC and a corresponding census of the region's …