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Journal of Development Economics > 2004 > 73 > 2 > 505-518
Economics Letters > 2002 > 74 > 3 > 399-405
Journal of Economic Dynamics and Control > 1995 > 19 > 8 > 1489-1510
Journal of Development Economics > 2004 > 73 > 2 > 505-518
Economics Letters > 2002 > 74 > 3 > 399-405
Journal of Economic Dynamics and Control > 1995 > 19 > 8 > 1489-1510