This thesis is about development of Czech media market after 1989 in the context of political economy of the media. It tries to find practical impacts of the pressures of commercial sphere on media content in Czech serious daily press, on the basis of theories applied in the research part of the work. These pressures include media owners and media market ownership concentration, advertisers, expert opinions makers and think-tanks and public relations. A quantitative content analysis and journalists interviews are used for this purpose. The results confirm an existence of commercial influences in Czech dailies, especially from advertisers. A significant dominance of opinions supporting right-wing (conservative) thoughts has been also confirmed. Brought knowledge and research findings both leave and open substantial space for a future research of this topic.

This thesis examines the influence of advertisers on the content of printed motoring magazines through the method of quantitative content analysis. The thesis asks whether an increasement of advertising can or can not influence media's reporting on advertisers' products. The thesis examines three Czech printed motoring magazines: Svět motorů, Automobil revue and auto motor a sport. The theoretical part deals with the dual-market topic, in other words the theory of two types of media's customers: paying readers and paying advertisers. They can - and according to the theory they often do - differ in their interests. The advertiser is interested in showing his products in the media in the best possible light, on the contrary, the reader is interested in being informed as objectively as possible. The theoretical part is based mainly on McQuail (2009) and Jirák and Köpplová (2015), who deal, inter alia, with the dilemma of two customers. Part of the theory is devoted to several other research which have examined the same topic; e. g. in the context of Italian fashion magazines. The work itself is based on research questions that ask about a correlation between the amount of advertising and amount (and tonality) of editorial content devoted to the advertisers as well as a possible influence of...