Competition, Privacy, and Big Data

This article analyzes the competition policy and privacy issues that are raised by large disparities in the amounts of consumer data that are held by different firms. First, it explains how competition authorities could take data acquisition into account in evaluating the effects of mergers and examines conditions under which those authorities might mandate data sharing among competitors. Next, it considers how privacy issues might be treated in analyzing whether data sharing should be permitted or mandated. Finally, it examines possible conflicts between policies that address competition and those that deal with privacy.