Gregory Sidak has written six books:

Broadband in Europe: How Brussels Can Wire the Information Society (Springer 2005).
Deregulatory Takings and the Regulatory Contract: The Competitive Transformation of Network Industries in the United States (Cambridge University Press 1997).
Foreign Investment in American Telecommunications (University of Chicago Press 1997).
Protecting Competition from the Postal Monopoly (AEI Press 1996).
Transmission Pricing and Stranded Costs in the Electric Power Industry (AEI Press 1995).
Toward Competition in Local Telephony (MIT Press & AEI Press 1994).
Sidak has authored more than 200 publications, including articles and chapters in academic journals and books. Sidak’s scholarly writings have been cited by the Supreme Court of the United States, the Supreme Court of Canada, the European Commission, state supreme courts, lower federal courts, and regulatory agencies.