The Journal of Finance publishes leading research across all the major fields of finance. It is one of the most widely cited journals in academic finance, and in all of economics. Each of the six issues per year reaches over 8,000 academics, finance professionals, libraries, and government and financial institutions around the world. The journal is the official publication of The American Finance Association, the premier academic organization devoted to the study and promotion of knowledge about financial economics.
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Belief Disagreement and Portfolio Choice
Published: 09/18/2022 | DOI: 10.1111/jofi.13179
MAARTEN MEEUWIS, JONATHAN A. PARKER, ANTOINETTE SCHOAR, DUNCAN SIMESTER
Using proprietary financial data on millions of households, we show that likely‐Republicans increased the equity share and market beta of their portfolios following the 2016 presidential election, while likely‐Democrats rebalanced into safe assets. We provide evidence that this behavior was driven by investors interpreting public information based on different models of the world. We use detailed controls to rule out the main nonbelief‐based channels such as income hedging needs, preferences, and local economic exposures. These findings are driven by a small share of investors making big changes, and are stronger among investors who trade more ex ante.