1. Post-doctoral Research Associate, School of Forest Resources and Conservation, University of Florida, 352 Newins-Ziegler Hall, Gainesville, FL 32611, USA.
2. Professor, Department of Agricultural Economics, Purdue University, 403 West State Street, West Lafayette, IN 47907, USA.
3. Senior Research Associate, Department of Agricultural Economics, Purdue University, 403 West State Street, West Lafayette, IN 47907, USA.
4. Assistant Professor, Department of Agricultural, Food, and Resource Economics, Michigan State University, 446 W. Circle Drive, East Lansing, MI 48824, USA.