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Economists show how Fox news changes votes

As I have noted before, economists are getting into media studies (we are natural imperialists) and beginning to provide empirical evidence on an age old, and critical, debate. Are some media outlets biased simply because their viewers or readers are partisan, or do these media outlets play a causal role in changing political views? And do readers/viewers discount the bias in media outlets, or does this influence how they vote?

We now have clear evidence on this in the case of US News Channels, and the answer is that Fox News changes votes in a big way: by magnitudes easily enough to swing elections. Those who argue that partisan right wing media does not matter very much now need to bring some counter-evidence to the table if they want to sustain that position.

The latest piece of evidence has just been published in the American Economic Review. Why is the studyin a top-rank economics journal? One thing empirical economists are used to doing is looking for good ‘instrumental variables’, which in this particular case, means finding something that influences whether people watch Fox News that has nothing to do with their politics. If you then look at what these ‘accidental’ viewers do, that gives you a handle on the causal role of watching Fox News.

Dylan Matthews at Vox has an excellent explainer pieceon the research, so I will not repeat the details here. Let me instead just list four key points.

  1. Fox News is the dominant (by primetime viewers) US news channel. A sizeable minority of Fox News viewers are not Republicans.

  2. The study’s data does not go beyond 2008, but in that year they estimate that if Fox News had not existed, the Republican vote share would have been over 6% points lower.

  3. In contrast the more left wing MSNBC was far less effective at gaining votes for Democrats.

  4. Fox News is not just setting its ideology to maximise viewers - it is much more Conservative than that. Instead it choice of ideology maximises its persuasive power.

The ‘headline figure’ of over 6% points in point (2) is an overestimate because other networks do shift their ideology to gain viewers. So if Fox News disappeared, other networks might have shifted right to capture ex-Fox viewers. But the key point is that Fox is acting in a way to maximise the propaganda power of its extremely right wing message, and it is successful in changing a significant number of voters minds. The apologist line that the media is ‘just reflecting the views of our readers/viewers’ does not hold for Fox News. In short, it is a propaganda organisation, not a ‘for profit’ news organisation. During one sample period, an analysisof the content of Fox suggested that over half the facts it reported were untrue.

One of the nice things about the study is that its results are reasonably consistent with earlier work based on the initial roll out of Fox News in 1996 to 2000 (which I referenced here). That earlier analysis used a different method to identify the causal impact of Fox on voters choices, so it is good that two different methods come to similar conclusions.

To some this will be no surprise (except perhaps that the research is in an economics journal). To paraphrase Obama, if he watched Fox News even he wouldn’t vote for himself. It fits my own accountof how US politics has shifted so far to the right, and has become so partisan. To UK readers the obvious question is whether we can just substitute Mail/Sun/Express for Fox. In my viewyou can, and Brexit goes a long way to provingthat. But explicitly or implicitly, the consensus view appears otherwise. Whether from left, right or centre, analysis of voter behaviour typically ignores or marginalises the role of the press. This and earlier studies suggest that is no longer good science.

Fox and their UK equivalents in the press have an importance way beyond academic studies of popular opinion. The story of Fox News and Trump are inextricably linked, as is Brexit and the right wing press. When you can serve large sections of the population real fake news - news that denigrates particular minorities or ‘outsiders’ and pushes the political views of their owners - then tyranny becomes quite compatible with democracy. Governments wield the ‘will of the people’ against pluralism and the rule of law, all enabled and even dictatedby media as propaganda. We have exampleswithin the EU and on its doorsteps. We are not there yet in the UK and US, but we are getting very close.


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