 One of the leading academic experts on media businesses and media policy economics, he is considered the father of the media economics studies (although he rejects the idea it is separate discipline, but rather economic perspectives applied to media).He has taught at both Harvard University and University of Oxford.He is the author and editor of more than 32 books including "Handbook of the Economics of the Media", "The Economics and Financing of Media Companies", "Media Product Portfolios", "Media Economics