Journal of Productivity Analysis
Journal of Productivity Analysis > 2005 > 23 > 1 > 65-83
Journal of Productivity Analysis > 2005 > 23 > 1 > 33-46
Journal of Productivity Analysis > 2005 > 23 > 1 > 7-32
Journal of Productivity Analysis > 2005 > 23 > 1 > 109-129
Journal of Productivity Analysis > 2005 > 23 > 1 > 47-64
Journal of Productivity Analysis > 2005 > 23 > 1 > 85-107