Updated: October 5, 2016 3:51 PM ET | Originally published: September 15, 2016 1:23 PM EDT

Do newspaper endorsements matter?

Not everyone thinks so. In a 2008 study by the Pew Research Center, 69 percent of respondents said a newspaper endorsement had “no effect” on their vote.

But a research paper published in the National Bureau of Economic Research that year found an exception: When they were unexpected. For example, if a conservative editorial board endorsed a Democrat or a liberal editorial board endorsed a Republican.

It’s still early for newspaper endorsements for Republican Donald Trump, Democrat Hillary Clinton and Libertarian Gary Johnson, but already there have been a few.

See the list below for some of the unexpected endorsements so far.

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