مؤلف: Hiroyuki Takeshima

Kwabena Gyimah-Brempong is Professor of Economics at the University of South Florida. Michael Johnson is a senior research fellow in the Development Strategy and Governance Division of the International Food Policy Research Institute (IFPRI), Washington, DC. Hiroyuki Takeshima is a research fellow in the Development Strategy and Governance Division of IFPRI, Washington, DC.