Journal of Productivity Analysis
Journal of Productivity Analysis > 2000 > 14 > 2 > 143-162
Journal of Productivity Analysis > 2000 > 14 > 2 > 163-182
Journal of Productivity Analysis > 2000 > 14 > 3 > 225-245
Journal of Productivity Analysis > 2000 > 14 > 3 > 247-266
Journal of Productivity Analysis > 2000 > 14 > 3 > 209-224
Journal of Productivity Analysis > 2000 > 14 > 3 > 191-207
Journal of Productivity Analysis > 2000 > 14 > 3 > 267-274