By Dunham Wayne R.   in Review of Industrial Organization

ISSN:0889-938X|23|1|65-83

Springer Publishing Company ‎(2003)‎

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By Dunham Wayne R.   in Journal of Media Economics

ISSN:0899-7764|26|3|122-147

Routledge Ltd‎(2013)‎

Access to resources Favorite 17.479181