是什么驱动了媒体偏见?来自最近报纸关闭的新证据

IF 0.4 4区 经济学 Q4 COMMUNICATION JOURNAL OF MEDIA ECONOMICS Pub Date : 2015-07-03 DOI:10.1080/08997764.2015.1063499
Cagdas Agirdas
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引用次数: 16

摘要

随着互联网的出现,许多美国大都市地区的报纸由于收入下降而倒闭。这为研究者提供了一个分析媒体偏见的微观经济来源的机会。本文使用了一个大型面板数据集,其中包含了超过240个月(1990-2009)的99家报纸的报纸档案。作者发现,在控制失业率、失业率变化和周边首都圈的政治倾向后,在同一媒体市场的竞争对手报纸关闭之前,当总统是民主党人时,保守派报纸的失业新闻报道比共和党人多17.4%。自由派报纸的这一比例为12.8%。收盘后,这两个数字分别为3.5%和1.1%。在竞争对手报纸关闭后,这种媒体偏见的调节对报纸规模、报纸固定效应或大都市地区固定效应的控制是稳健的。作者还发现,较小的大都市地区的报纸在偏见方面有更大的节制。研究结果为媒体偏见是需求驱动的理论提供了支持,因为存活下来的报纸旨在通过在同一媒体市场上获得一家关闭报纸的前读者来增加销量。
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What Drives Media Bias? New Evidence From Recent Newspaper Closures
With the advent of the Internet, many U.S. metropolitan areas have seen newspaper closures due to declining revenues. This provides the researcher with an opportunity to analyze the microeconomic sources of media bias. This article uses a large panel dataset of newspaper archives for 99 newspapers over 240 months (1990–2009). The author found that, after controlling for the unemployment rate, the change in unemployment rate, and the political preferences of surrounding metropolitan area, conservative newspapers report 17.4% more unemployment news when the President is a Democrat rather than a Republican, before the closure of a rival newspaper in the same media market. This effect is 12.8% for liberal newspapers. After the closure, these numbers are 3.5% and 1.1%, respectively. This moderation of media bias after closure of a rival newspaper is robust to the inclusion of newspaper size, newspaper fixed-effects or metropolitan area fixed-effects as controls. The author also found that newspapers in smaller metropolitan areas have a larger moderation in their bias. Findings provide support for theories in which media bias is demand-driven, as surviving newspapers aim to increase their sales by gaining the former readers of a closed newspaper in the same media market.
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来源期刊
CiteScore
0.40
自引率
0.00%
发文量
9
期刊介绍: The Journal of Media Economics publishes original research on the economics and policy of mediated communication, focusing on firms, markets, and institutions. Reflecting the increasing diversity of analytical approaches employed in economics and recognizing that policies promoting social and political objectives may have significant economic impacts on media, the Journal encourages submissions reflecting the insights of diverse disciplinary perspectives and research methodologies, both empirical and theoretical.
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