In this book Ariel Ezrachi and Maurice Stucke take a hard look at today's app-assisted digital shopping. While consumers reap many benefits from online purchasing, the sophisticated algorithms and data crunching that make browsing so convenient are also changing the nature of market competition,...

Recent decades have witnessed a distinct increase in the sales and popularity of private labels. The growing market share of private labels has transformed the landscape of retail competition in developed countries. Major retailers are no longer confined to their traditional roles of purchasers...

Passive holdings and cross-investments among competing companies are common phenomena in the modern marketplace. Yet under certain market conditions such investments may cause anticompetitive effects. This article explores the economic effects of passive investments and their regulation under...