type="main" xml:id="irel12058-abs-0001" <p>This study examines the impact of unionized labor on supermarket performance, as measured by profit and sales, accounting for the competitive presence of supercenters. The results confirm prior research that shows that supercenters have negative effects on...</p>

This article measures promotional competition between two major supermarket chains in the United States. The approach does not rely upon quantity sales data and can be applied to any industry that features advertised sales. The results indicate that retailers do compete using promotions. A...

We examine the effect of supercenter market share on consumers' food-at-home purchasing habits in the United States. We measure healthfulness several different ways to ensure robustness, but all measurements place a greater value on fresh fruits and vegetables and whole grains than on processed...