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Journal of Economic Structures > 2017 > 6 > 1 > 1-16
Journal of Development Economics > 2005 > 77 > 2 > 517-531
Journal of Productivity Analysis > 2005 > 23 > 1 > 47-64
Journal of Economic Structures > 2017 > 6 > 1 > 1-16
Journal of Development Economics > 2005 > 77 > 2 > 517-531
Journal of Productivity Analysis > 2005 > 23 > 1 > 47-64