1. University of Pennsylvania, 160 McNeil, 3718 Locust Walk, Philadelphia, PA 19004.
2. Federal Reserve Bank of Philadelphia, 10 Independence Mall, Philadelphia, PA 19106-1574.
3. Duke University, 213 Social Sciences, Duke University, Durham, NC 27708, and Federal Reserve Bank of Atlanta.
4. Columbia University, 1109A International Affairs Building, New York, NY 10027.