Does Money Buy Votes? The Case of Self-Financed Gubernatorial Candidates, 1998–2008
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- Brown, A.R. Polit Behav (2013) 35: 21. doi:10.1007/s11109-012-9193-1
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Because campaign spending correlates strongly with election results, observers of American politics frequently lament that money seems to buy votes. However, the apparent effect of spending on votes is severely inflated by omitted variable bias: The best candidates also happen to be the best fundraisers. Acting strategically, campaign donors direct their funds toward the “best” candidates, who would be more likely to win even in a moneyless world. These donor behaviors spuriously amplify the correlation between spending and votes. As evidence for this argument, I show that (non-strategic) self-financed spending has no statistical effect on election results, whereas (strategic) externally-financed spending does.