Holt, Gary D.; Edwards, David - In: International Journal of Productivity and Performance … 64 (2015) 6, pp. 853-869
Purpose – Excavator productivity calculations embrace myriad variables, which in turn, can be modelled in several ways …. A key productivity variable is operator competence ( O c ) because this can impact on so many of the other variables …. Earlier research has studied excavator productivity, but little has attempted to simultaneously model productivity variables …