World Development
World Development > 2010 > 38 > 5 > 742-755
World Development > 2017 > 94 > C > 422-447
World Development > 2018 > 103 > C > 255-267
World Development > 2010 > 38 > 5 > 742-755
World Development > 2017 > 94 > C > 422-447
World Development > 2018 > 103 > C > 255-267