World Development
World Development > 1997 > 25 > 9 > 1505-1527
World Development > 1999 > 27 > 2 > 403-418
World Development > 2002 > 30 > 11 > 1967-1985
World Development > 2009 > 37 > 12 > 1887-1896
World Development > 1997 > 25 > 9 > 1505-1527
World Development > 1999 > 27 > 2 > 403-418
World Development > 2002 > 30 > 11 > 1967-1985
World Development > 2009 > 37 > 12 > 1887-1896