1. Arkansas Center for Forest Business, University of Arkansas at Monticello , Monticello, Arkansas 71656 USA
2. Coastal Research and Extension Center, Mississippi State University , Biloxi, Mississippi 39532 USA
3. Department of Agricultural Economics and Agribusiness, Louisiana State University , Baton Rouge, Louisiana 70803 USA
4. College of Forestry, Agriculture and Natural Resources, University of Arkansas at Monticello , Monticello, Arkansas 71656 USA