Are U.S. digital markets advancing, or threatening, the American economy? There is keen interest in the answer to this question. Sweeping changes have disrupted society courtesy of the Information Revolution, presenting great opportunities in radically transformed economic markets but also great...

This brief explains amici's understanding of the relevant economic analysis. It explains why basic economic principles underlying the analysis of multi-sided markets lead to the conclusion that a plaintiff should be required to demonstrate, at a minimum, that: (1) the allegedly unlawful...