Madhusudan Bhattarai⁽¹⁾, Joko Mariyono⁽²⁾,
(1) International Food Policy Research Institute (IFPRI), South Asia Office, NASC Complex, DPS Road, Pusa New Delhi - 110012, India
(2) University of Pancasakti - Tegal

Achmad Tohirin⁽¹⁾, Mohd Adib Ismail⁽²⁾,
(1) Magister of Islamic Finance and Economics Post Graduate Program Faculty of Economics, Universitas Islam Indonesia Condong Catur, Depok, Sleman, Yogyakarta, 55283, Indonesia Telp. +62 274 883 525 Fax. +62 274 883 526
(2) Research Centre for Islamic Economics and Finance School of Economics, Faculty of Economics and Management Universiti Kebangsaan Malaysia, Bangi, Selangor, D.E. Tel: +603-8921 5760 Fax: +603-8921 5789

Tri Wulandari⁽¹⁾, Lukytawati Anggraeni⁽²⁾, Trias Andati⁽³⁾,
(1) Bogor agriculture university
(2) Bogor agriculture university
(3) Bogor agriculture university

Megawati Simanjuntak⁽¹⁾, Ambar Susan Rosifa⁽²⁾,
(1) Department of Family and Consumer Sciences, Bogor Agricultural University, Bogor
(2) Department of Family and Consumer Sciences, Bogor Agricultural University, Bogor

Manggar Wulan Kusuma⁽¹⁾, Rudy Badrudin⁽²⁾,
(1) Sekolah Tinggi Ilmu Ekonomi YKPN Yogyakarta
(2) 

Awan Setya Dewanta⁽¹⁾, Riza Noer Arfani⁽²⁾, Erfita Erfita⁽³⁾,
(1) Department of Economics, Universitas Islam Indonesia, Yogyakarta, Indonesia
(2) Graduate School of International Relations, Ritsumeikan University, Kyoto, Japan
(3) Department of Economics, Universitas Islam Indonesia, Yogyakarta, Indonesia

Ghana Atma Sulistya⁽¹⁾, Darwanto Darwanto⁽²⁾,
(1) Universtias Diponegoro
(2) Faculty of Economic and Business, Diponegoro University

Sahabudin Sidiq⁽¹⁾, Herawati Herawati⁽²⁾,
(1) Department of Economics, Universitas Islam Indonesia, Yogyakarta, Indonesia
(2) Crawford School of Public Policy, Australian National University, Canberra

Rory John Brown⁽¹⁾,
(1) School of Political Science and International Studies, University of Queensland