Busby, J.S.; Williamson, A. - In: International Journal of Operations & Production Management 20 (2000) 3, pp. 336-358
Notes limitations to measuring the performance of design activity in particular, and non‐production activities in … both. Second, outcome measures are jointly determined by engineering design and other activities to varying degrees, and … definite stopping rule for engineering design activity, yet unambiguous outcome measures rely on the existence of such a rule …