1. Class of 1926 Professor of Economics and Public Affairs, Princeton University, Princeton, New Jersey, and Research Associate of the National Bureau of Economic Research, Cambridge, Massachusetts.
2. Executive Vice President and Director of Research at the Federal Reserve Bank of New York, New York, New York, and Research Associate of the National Bureau of Economic Research, Cambridge, Massachusetts.; A. Barton Hepburn Professor of Economics and Finance, Graduate School of Business, Columbia University, New York, New York.