Partisan Impacts on the Economy: Evidence from Prediction Markets and Close Elections

Erik Snowberg, Justin Wolfers and Eric Zitzewitz

The Quarterly Journal of Economics, 2007, vol. 122, issue 2, 807-829

Abstract: Analyses of the effects of election outcomes on the economy have been hampered by the problem that economic outcomes also influence elections. We sidestep these problems by analyzing movements in economic indicators caused by clearly exogenous changes in expectations about the likely winner during election day. Analyzing high frequency financial fluctuations following the release of flawed exit poll data on election day 2004, and then during the vote count we find that markets anticipated higher equity prices, interest rates and oil prices, and a stronger dollar under a George W. Bush presidency than under John Kerry. A similar Republican-Democrat differential was also observed for the 2000 BushGore contest. Prediction market based analyses of all presidential elections since 1880 also reveal a similar pattern of partisan impacts, suggesting that electing a Republican president raises equity valuations by 2–3 percent, and that since Ronald Reagan, Republican presidents have tended to raise bond yields.

Date: 2007
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Working Paper: Partisan Impacts on the Economy: Evidence from Prediction Markets and Close Elections (2006)
Working Paper: Partisan Impacts on the Economy: Evidence from Prediction Markets and Close Elections (2006)
Working Paper: Partisan impacts on the economy: evidence from prediction markets and close elections (2006)
Working Paper: Partisan Impacts on the Economy: Evidence from Prediction Markets and Close Elections (2006)
Working Paper: Partisan Impacts on the Economy: Evidence from Prediction Markets and Close Elections (2006)
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