Dominicus S Priyarsono Bogor Agriculture Institute   Sekretariat S2 Ilmu Ekonomi Lt.3 Gedung Fakultas Ekonomi & Manajemen Jl. Kamper, Kampus IPB Dramaga Bogor, West Java 16680 Indonesia   priyarsono@yahoo.com             JEL Areas: O1 : Economic Development: General D6 : Welfare Economics: General