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Power structure in Chilean news media
Jorge Bahamonde1, Johan Bollen2, Erick Elejalde3
1Department of Computer Science, University of Chile, Santiago, Chile.
Plos One
|June 7, 2018
Summary
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.
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.
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