Propaganda model

The propaganda model is a conceptual model in political economy advanced by Edward S. Herman and Noam Chomsky to explain how propaganda and systemic biases function in mass media. The model seeks to explain how populations are manipulated and how consent for economic, social and political policies is "manufactured" in the public mind due to this propaganda. The theory posits that the way in which news is structured (e.g. through advertising, concentration of media ownership, government sourcing) creates an inherent conflict of interest which acts as propaganda for undemocratic forces.

First presented in their 1988 book Manufacturing Consent: The Political Economy of the Mass Media, the propaganda model views private media as businesses interested in the sale of a product—readers and audiences—to other businesses (advertisers) rather than that of quality news to the public. Describing the media's "societal purpose", Chomsky writes, "... the study of institutions and how they function must be scrupulously ignored, apart from fringe elements or a relatively obscure scholarly literature". The theory postulates five general classes of "filters" that determine the type of news that is presented in news media. These five classes are: Ownership of the medium, Medium's funding sources, Sourcing, , Anti-communism and fear ideology.

The first three are generally regarded by the authors as being the most important. In versions published after the 9/11 attacks on the United States in 2001, Chomsky and Herman updated the fifth prong to instead refer to the "War on Terror" and "counter-terrorism", although they state that it operates in much the same manner.

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