31 Pages Posted: 20 May 2015 Last revised: 6 Dec 2020 Date Written: December 4, 2020 Abstract This paper analyzes broadband download speeds in the 48 contiguous U.S. states and Washington, D.C. when aDSL and cable incumbents share the market with a fiber competitor. Between 2014 and 2018 we observe significant increases in inter-platform competition from fiber providers in aDSL- and cable-served Census blocks, but inter-platform competition remains low in absolute terms.
