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Power structure in Chilean news media.

Jorge Bahamonde1, Johan Bollen2, Erick Elejalde3

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Media consolidation limits news diversity. This study models Chilean news coverage, revealing high concentration in ownership and topics, impacting information accessibility and potentially influencing public discourse.

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Area of Science:

  • Media Studies
  • Network Analysis
  • Social Science

Background:

  • Democratic societies face challenges in maintaining diverse news coverage.
  • Media consolidation and market forces can lead to a few dominant news players.
  • Corporate ownership and socio-economic drivers increasingly affect news diversity, even in social media.

Purpose of the Study:

  • To model the effects of media consolidation and ownership on news diversity in Chile.
  • To analyze the relationship between media ownership networks and content similarity.
  • To identify influential ownership groups impacting news coverage.

Main Methods:

  • Developed a model for Chilean news coverage diversity using ownership records and social media data.
  • Created similarity networks based on news outlet ownership and covered topics.
  • Employed network analysis to examine ownership network topology and content similarity.

Main Results:

  • Chilean media exhibits high concentration in both ownership and topic coverage.
  • Network analysis identified significant links between ownership structures and content similarity.
  • The study quantifies the influence of specific ownership groups on news diversity.

Conclusions:

  • Media concentration significantly impacts news diversity.
  • The developed methodology can identify key influencers in media landscapes.
  • Understanding ownership structures is crucial for assessing and promoting news diversity.