World Development
World Development > 2011 > 39 > 4 > 588-599
World Development > 2011 > 39 > 4 > 569-578
World Development > 2011 > 39 > 4 > 561-568
World Development > 2011 > 39 > 5 > 758-772
World Development > 2011 > 39 > 6 > 913-921
World Development > 2011 > 39 > 9 > 1649-1662
World Development > 2011 > 39 > 10 > 1862-1877
World Development > 2011 > 39 > 12 > 2221-2231
World Development > 2011 > 39 > 12 > 2199-2210