Chen, Po-Chi; Yu, Ming-Miin; Chang, Ching-Cheng; Hsu, … - International Association of Agricultural Economists - IAAE - 2006
This article proposes an extended three-stage DEA methodology similar to Fried et al. (2002) to improve the measurement of productivity growth then the assumption of free disposability of undesirable outpu t does not apply. A directional distance function is used to construct adjusted...