All the Headlines that Are Fit to Change

62 Pages Posted: 2 May 2022 Last revised: 22 Mar 2023

See all articles by Tin Cheuk Leung

Tin Cheuk Leung

Wake Forest University

Koleman S. Strumpf

Wake Forest University, Department of Economics

Date Written: March 22, 2023

Abstract

We study how the New York Times changes headlines after an article has been published. We track the 35,000 articles on the newspaper's home page between February 2021 and April 2022, and find that 10% have an immediate headline change while 11% undergo an A/B test where two titles are trialed against one another over a short time window. We also collect every tweet of an article in our data. We first look at which articles get a headline change of some form. Article type matters: popularity on Twitter, hard news, negative sentiment headline, and mentions from more partisan Twitter accounts are associated with headline changes. Another factor is social pressure, negative tweets from users connected to the reporter or the newspaper, which leads to more immediate headline changes and to a lesser extent to A/B tests. Next we examine how headline changes impact an article's performance metrics. After accounting for selection, we find that headline changes increase an article's popularity. There is also evidence that headline changes increase the negative sentiment and liberal political slant when it is tweeted. We also analyze headline changes at the Wall Street Journal for a shorter period, and find comparable behavior. Our results have implications for distinguishing supply and demand driven models of media bias, how digitization may foster media consolidation, and conditions under which economic or partisan motives drive newspaper decision-making.

Keywords: A/B Testing, Media Economics, Machine Learning, Social Media

JEL Classification: D83, L82

Suggested Citation

Leung, Tin Cheuk and Strumpf, Koleman S., All the Headlines that Are Fit to Change (March 22, 2023). Available at SSRN: https://ssrn.com/abstract=4075398 or http://dx.doi.org/10.2139/ssrn.4075398

Tin Cheuk Leung (Contact Author)

Wake Forest University ( email )

Winston-Salem, NC 27109
United States

Koleman S. Strumpf

Wake Forest University, Department of Economics ( email )

PO Box 7505
Winston-Salem, NC 27109
United States
336-758-5410 (Phone)

HOME PAGE: http://users.wfu.edu/strumpks

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