Media ownership and ideological slant: Evidence from Australian newspaper mergers
2024

Media Slant in Australia

Sample size: 200 publication 15 minutes Evidence: high

Author Information

Author(s): Ananyev Maxim, Volkova Ekaterina

Primary Institution: Melbourne University

Hypothesis

How do media acquisitions by corporate conglomerates influence the political slant of Australian newspapers?

Conclusion

Acquisitions by large media firms can shift the slant of acquired papers toward the presumed preferences of their new corporate owners.

Supporting Evidence

  • News Corp's acquisition led to a conservative shift in newspapers it already owned.
  • Subsequent acquisitions by Nine Entertainment shifted acquired newspapers away from conservative slant.
  • The study analyzed over 30 million news articles to measure media slant.
  • Acquisitions can significantly shift newspapers’ political slant.
  • Evidence suggests that supply-side factors are crucial in determining media slant.

Takeaway

When big companies buy newspapers, the way those newspapers report news can change to match the new owners' political views.

Methodology

The study used a synthetic difference-in-differences approach to analyze the impact of media ownership changes on political slant.

Potential Biases

Potential bias due to the concentration of media ownership and the political leanings of owners.

Limitations

The study focuses only on print media and may not generalize to other media platforms.

Participant Demographics

The analysis included over 30 million news articles from more than 200 Australian newspapers.

Statistical Information

P-Value

0.001

Confidence Interval

[-0.228, -0.059]

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0315137

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication