Jeffrey F. Jaffe, The Wharton School, University of Pennsylvania.

Jeffrey F. Jaffe has been a frequent contributor to finance and economic litterature in such journals as the Quarterly Economic Journal, The Journal of Finance, The Journal of Financial and Quantitative Analysis, The Journal of Financial Economics, and The Financial Analyst's Journal. His best known work concerns insider trading, where he showed both that corporate insiders earn abnormal profits from their trades and that regulation has little effect on these profits. He has also made contributions concerning initial public offerings, regulation of utilities, the behavior of marketmakers, the fluctuation of gold prices, the theoretical effect of inflation on the interest rate, the empirical effect of inflation on capital aset prices, the relationship between small capitalization stocks and the January effect, and the capital structure decision.

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