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(1978) The book industry in transition: An economic study of book distribution and marketing. White Plains, NY: Knowledge Industry Publications.

(1980) The newspaper industry in the 1980s: An assessment of economics and technology. White Plains, NY: Knowledge Industry Publications.

(1982) The business of consumer magazines. White Plains, NY: Knowledge Industry Publications.

(1984) (Ed.) Understanding new media: Trends and issues in electronic distribution of information. Cambridge, Mass.: Ballinger Publishing.

(1988) (Ed.) Issues in new information technology. Norwood, NJ: Ablex Publishing.

(1982) with Sterling, C.H., Guback, T., & Noble, J.K., Jr. Who owns the media? Concentration of ownership in the mass communications industry. (Rev. ed.)  White Plains, NY: Knowledge Industry Publications.

(1984) with Litro, R. Business: An introduction. Hinsdale, IL: The Dryden Press.

(1999) with Read, W. (ed.) . Information resources policy handbook: Perspectives on the information age. Cambridge, Mass.: MIT. Press.

(2000) with Douglas Gomery. Who owns the media? Competition and concentration in the mass media industry, 3rd ed. Mahwah, NJ: Laurence Erlbaum Associates.

(2000) with Ingo Vogelsang (eds.) The Internet upheaval: Raising questions, seeking answers in communiations policy, Cambridge, Mass.: MIT Press. 

(2001) (Ed.) The Digital Divide: Facing a crisis or creating a myth? Cambridge, Mass.: MIT Press. 

(2001) with Shane Greenstein (eds.) Communications Policy in Transition: The Internet and Beyond. Cambridge, Mass.: MIT Press.  October 2001


(1980)  The magazine industry: Developing the special interest audience. Journal of Communication. 30 (2)  98-103.

(1980)  Shifting boundaries in the information marketplace. Journal of Communication. 31 (1), 132-142.

(1981)  The Information revolution: The downside. Bell Telephone Magazine. 60 (3). (31-34).

(1983) Compagnies multi-reseaux et conglomerats multi-medias aux Etats-Unis. Trimedia. Vol 18-19 (pp. 30-33) Lille, France: Centre de Recherche sur l'Information et la Communication, Ecole Supérieure de Journalisme de Lille.

(1983)  The New Literacy. Daedalus 112 (1), 129-142. (Available online in earlier version here

(1984)  Electronic distribution of information to the consumer and low volume institutional market. In Compaine, B. (Ed.)  Understanding new media.   Cambridge, MA: Ballinger.

(1984)  Content, process, and format: A new framework for the media arena. In Compaine, B. (Ed.) Understanding new media. (pp.69-96). Cambridge, MA: Ballinger.

(1984)  Videotex and the newspaper industry: Threats or opportunity?. In Compaine, B. (Ed.) Understanding new media. (pp.319-326). Cambridge, MA: Ballinger.

(1984)  Chronology of telecommunications and cable television regulation in the United States. Program on Information Resources Policy Research Report (P-84-1)   Cambridge, MA: Harvard University.

(1984)  New competition and new media." Bulletin of IDATE, Vol. 17. (pp.196-209)  Montpellier, France: Institut pour le Developpement et l'Amenagement des Telecommunications et de l'Economie.

(1984)  An introduction to the New Literacy. In Books and prints, past and future. The Grolier Club Centennial Convocation (pp. 71-87), New York: The Grolier Club.

(1985)  Players and stakes in the media industry. In Martin Greenberger (Ed.)   Electronic publishing plus. White Plains, NY: Knowledge Industry Publications.

(1985) Development of a New Literacy. Book Research Quarterly. 1 (1)   36-48.

(1985, January)  Newspapers at mid-decade and beyond: An overview. Presstime. (pp.12-13).

(1985)  The expanding base of media competition. Journal of Communication. 35(3), 81-96.

(1986) Information gaps: Myth or reality? Telecommunications Policy. 10 (1), 5-12.

(1986)  New literacy indicators. (Research Draft). Program on Information Resources Policy Incidental Paper. Cambridge, MA: Harvard University.

(1986) Size and growth trends of the information industry, 1970-1983. Program on Information Resources Policy Incidental Paper (I-86-2). Cambridge, MA: Harvard University.

(1987) with McLaughlin, J. Management information: Back to basicsManagement Information: Back to Basics. Information Management Review 2(3), 15-24.

(1988) Information technology and cultural change: Toward a New Literacy? In Compaine, B. (Ed.) Issues in new information technology (pp.145-178)  Norwood, NJ: Ablex Publishing. Norwood, NJ: Ablex Publishing.

(1988, March)  Is selling obsolete? Success! 35. 18.

(1989, May)  The close. Success! 26. 10.

(1989, September 11)  Is Minitel a good model for the North American market? Network World. (page not recorded).

(1989) with Hurwitz, R. Exploring a media usage index: Problems and possibilities. Unpublished study, Gannett Center for Media Studies, New York.

(1991) The future of media companies in the international arena. (Case study note)   Barcelona: University of Navarra, Instituto De Superioress De La Empresa.

(1993)  Fresh perspectives on the information business. In Pavlik, J.V. & Dennis, E.E. (Eds.), Demystifying Media Technology. Mountain View, CA: Mayfield Publishing.

(1995) The impact of broadcast ownership on content: Does it matter? Cardozo Arts and Entertainment Law Journal. 13 (3)  755-780.

(1995, June 11) A tale of three companies. The Boston Globe.   83, 85.

 (1997) with Weinraub, M.  Universal access to online services: An examination of the issue. Telecommunications Policy 21 (1), 15-33.

(1997) Reassessing video competition: Has technology or regulation made a difference? Telecommunications Policy Research Conference, Alexandria, VA.

(1999) Mergers, divesitures and the Internet: Is Ownership of the Media Industry Becoming too Concentrated? Telecommunications Policy Research Conference, Alexandria, VA.

(2000) Mergers, alliances and investments: Newspaper company partnering strategies in the digital age, 2000 World Report of the World Association of Newspapers

(2000) Re-Examining the Digital Divide. Telecommunications Policy Research Conference, Alexandria, VA.

(2001) The Myths of Encroaching Global Media Ownership. Association for Education in Jounalism & Mass Communication Conference, Washington, DC.

(2001) Information gaps: Myth or reality?” In Compaine, B. (ed.) The digital divide: Facing a crisis of creating a myth? (pp. 105-118). Cambridge , MA : The MIT Press .

(2001) with Smith, E.  Internet radio: A new engine for content diversity? International Telecommunications Society Conference, Dublin, Ireland. 

(2002) Think again: Global media. Foreign Policy, Nov/Dec 2002.

(2003) Revisiting cost and affordability assumptions for high speed data services in low population density locations. Telecommunications Policy Research Conference, Sept. 20, 2003, George Mason University School of Law, Arlington, VA.

(2004) Does Rupert Murdoch control the media? Does anyone? Reason. January 2004. 

(2005) The vanishing digital divide. In Zerdick, A. et al (eds.). E-merging Media: Communication and the media economy of the future. (pp. 285-300). New York: Springer.

(2005) The Media monopoly myth: How new competition has xxpanded American's sources of information and entertainment. Washington, DC: New Millennium Research Council. 

(2006) Are there content models for the wireless world? In Groebel, Noam and Feldmann (eds.), Mobil media: Content and services for wireless communications. (pp.57-68). Mahwah, NJ: Lawrence Erlbaum Associates, Publishers.

(2006) with Hoag, A. Media entrepreneurship in the era of big media: Prospects for new entrants. Babson College Entrepreneurship Research Conference, Bloomington, IN.

(2007) Book review of Handbook of media management and economics. Journal of Media Economics 19(4).

(2007) with Hoag, A. Media entrepreneurship: Missionaries and merchants. Association for Education in Journalism and Mass Communication Conference, Washington, DC.

(2007) with Zack, M. and Wesley, D. Undergroundhiphop.com. Case study and Teaching Note. London, ON: Richard Ivey School of Business. University of Western Ontario. 

(2008) Competition in television and radio: Trends and policy implications. In Rice, R. (ed). Media ownership: Research and regulation. (pp. 159-190). Cresskill, NJ: Hampton Press, Inc.

(2009) with Cunningham, B. Nonprofit models, media ownership and diversity, and advertising prices. Journal of Media Economics 22(3).

(2009) Media monopolies are a myth. In Roman Espejon (ed.). Opposing Viewpoints: Mass Media. (pp.5-10). Farmington Hills, Michigan: Greenhaven Press.

(2010) Media concentration in America is increasing. No it’s not. Yes it is. No… Journal of Media Economics 23 (4).

(2012) The media economy, International Journal of Media Management 14 (1).

(2012) with Hoag, A. Factors supporting and hindering new entry in media markets: A study of media entrepreneurs. International Journal of Media Management 14 (1).


(1981,)  Mapping the information business. Milan International Trade Fair, Milan, Italy.

(1981)  Dr. Scholl's Foundation Visiting Scholar, University of Iowa.

(1984)  The socio-political impact of the new media technologies. The Information Society of the Year 2000. Symposium sponsored by Telefonica, Santander, Spain.

(1984)  Broadcast media structure. Malente Communications Conference. Malente, Germany.

(1984) Economic and technological change in the media. Fourth Kenan Convocation. University of North Carolina.

(1985)  The mass media structure in the United States. Medientrends (pp. 153-157). Proceedings of InterMedia Congress. Hamburg, Germany: Intermedia Centrum Services und Consulting.

(1986)  On the trail of the New Literacy. Proceedings of FibreSat 86, International Conference on Satellite and Fibre Optic Communications. (pp. 496-501)   Vancouver, Canada: Westcom Communications.

(1987)  Literacy in a digital and video world. GlobeCom '87. Symposium. Tokyo, Japan.

(1988)  Communication futures: forces and context. Keynote speech for Communication Futures Symposium, Queensland Institute of Technology, Brisbane, Australia

(1991)  Threats and opportunities of new information technologies for newspaper publishers. Address to Inter-American Press Association Conference, São Paulo, Brazil.

(1993)  Changing structure of the media industry. Keynote address for Conference on Media Ownership and Concentration, Austral University, Buenos Aires, Argentina.

(1997, September)  Changing technologies and the newspaper. Address to World Forum on Newspaper Strategy, Chantilly, France.

(1998)  Regulatory gridlock and the Telecommunications Act of 1996. Keynote Address at National Cable Television Association Academic Conference, Atlanta, GA.

(1999)  Globalization of the mass communications industry? Metzger-Conway Fellow address, Clarke Center for Interdisciplinary Studies, Dickinson College, Carlsle, PA.

(2002)  Content Models for the Wireless World. Address to the 5th World Media Economic Conference, Turku, Finland.

(2010) SmartPhones and the future of humankind! Keynote speech 6th annual Korea Communications Conference. Seoul, Korea.


(1980, March 3)  Concentration of ownership in the media. Hearings before the Subcommittee on Small Business and Minority Enterprise. 96th Congress. Media Concentration.

(1981, April 23)  Codifying the FCC media cross-ownership policy. House Subcommittee on Telecommunications, Consumer Protection, and Finance, 97th Congress.

(1981, May 20, 27)  An overview of the media business: the traditional and the new. Hearings before the Subcommittee on Telecommunications, Consumer Protection, and Finance, 97th Congress.

(1981, Sept. 8)  Hearings on diversity of information sources. Hearings before the Subcommittee on Telecommunications, Consumer Protection, and Finance, 97th Congress.

(1983, July 20)  Copyright and technological change. Hearings before the House subcommittee on Courts, Civil Liberties, and the Administration of Justice. 98th Congress.

(2004, Sept. 28) Media ownership. Hearings before the Senate Committee on Commerce, Science and Transportation, 108th Congress. 


American Society of Information Science (1978-1979) Editorial Board.

Critical Studies in Mass Communication (1984-1990) Editorial Board.

Journal of Broadcasting and Electronic Media (1984-1991) Editorial Board.

Information and Behavior (1986-1989)  Editorial board.

The International Journal of Media Management (2002-Present) Editorial Board.

Journal of Media Economics (1986-Present) Editorial Board. Co-editor (Sept 2008- 2011).

Broadcast Education Association. Publications Committee, (1996-1998)

Telecommunications Policy Research Conference . Organizing Committee (1997),  Program Co-chair (1998), Program Chairman (1999),  Board Of Directors (1999 -2004), Board Chairman (2001-2003)

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