Product variety is an important strategic tool that firms can use to attract customers and respond to competition. This study focuses on the retail industry and investigates how stores manage their product variety, contingent on the presence of competition and their actual distance from rivals....

This paper studies the effect of sales tax changes on internet and catalog sales. We collect sales data from a retailer that sells its products through its internet and catalog channels. We analyze the retailer's sales before and after a major tax cut in one of the largest metropolitan areas in...