1. Michael Livingston is a principal with Promontory Financial GroupLLC801 17th St NW, Suite 1100WashingtonDC20006
2. Michael J. Roberts is an a associate professor in the University of Hawaii at Manoa541 Saunders, 2424 Maile WayHonoluluHI92122
3. Yue Zhang is a graduate student in the Department of Agricultural and Resource EconomicsNorth Carolina State UniversityBox 8109RaleighNC