 He served as the Chairperson of the Department of Media and Information from January 2013 through May 2019.His research covers a wide range of issues related to the evolution of communications and information industries, in particular the design and effects of public policies towards these industries, and business strategies in network industries, often from a comparative and international perspective.Ongoing projects address issues of digital inequality with an emphasis on the homework gap, the design of 5G markets and policy, digital innovation, network neutrality, and cybersecurity.