Overview
G. William Schwert is a financial economist (Simon Business School, University of Rochester) known for empirical work on stock-market volatility, market efficiency, and financial anomalies, and for long editorial service at the Journal of Financial Economics.
Key Contributions / Features
- Stock returns and volatility (French-Schwert-Stambaugh 1987): co-authored the foundational study of the risk-return tradeoff and the negative return–volatility-innovation relation (Risk-Return Tradeoff).
- Time-varying market volatility (Schwert 1989, "Why Does Stock Market Volatility Change Over Time?"): documented the long-run behaviour of volatility and its links to the business cycle.
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