| Rank | Author | Affiliated with (in this region) |
| 1. | Dermot Hayes | Department of Finance, Iowa State University, Ames |
| 2. | Harvey E. Lapan | Department of Economics, Iowa State University, Ames |
| 3. | David A. Hennessy | Center for Agricultural and Rural Development (CARD), Iowa State University, Ames |
| 4. | Charles H. Whiteman | Department of Economics, University of Iowa, Iowa City |
| 5. | B Ravikumar | Department of Economics, University of Iowa, Iowa City |
| 6. | John Christopher Beghin | Center for Agricultural and Rural Development (CARD), Iowa State University, Ames Department of Economics, Iowa State University, Ames Food and Agricultural Policy Research Institute (FAPRI), Iowa State University, Ames |