1. ILR School, Cornell University, 268 Ives Hall, Ithaca, NY 14850.
2. Department of Economics, Columbia University, 420 W. 118th St., New York, NY 10025.
3. Department of Economics, University of Texas at Dallas, 800 W. Campbell Drive, GR31, Richardson, TX 75080.
4. Department of Economics, University of Kansas, 1460 Jayhawk Boulevard, Lawrence, KS 66045.