World Development
World Development > 1997 > 25 > 1 > 23-52
World Development > 1997 > 25 > 8 > 1205-1223
World Development > 2002 > 30 > 2 > 207-225
World Development > 2002 > 30 > 3 > 497-509
World Development > 2008 > 36 > 12 > 2643-2662
World Development > 2015 > 76 > Complete > 40-61