Journal of Productivity Analysis
Journal of Productivity Analysis > 2012 > 37 > 2 > 187-201
Journal of Productivity Analysis > 2012 > 37 > 2 > 95-113
Journal of Productivity Analysis > 2012 > 37 > 2 > 125-140
Journal of Productivity Analysis > 2012 > 37 > 2 > 155-169
Journal of Productivity Analysis > 2012 > 37 > 2 > 141-153
Journal of Productivity Analysis > 2012 > 37 > 2 > 171-186
Journal of Productivity Analysis > 2012 > 37 > 2 > 115-123