World Development
World Development > 1997 > 25 > 1 > 53-65
World Development > 1997 > 25 > 1 > 115-126
World Development > 1997 > 25 > 1 > 127-143
World Development > 1997 > 25 > 1 > 67-91
World Development > 1997 > 25 > 1 > 5-22
World Development > 1997 > 25 > 1 > 23-52
World Development > 1997 > 25 > 1 > 93-114