Malikov, Emir; Kumbhakar, Subal; Tsionas, Efthymios G. - In: Econometrics : open access journal 3 (2015) 2, pp. 443-465
This paper models the firm's production process as a system of simultaneous technologies for desirable and undesirable … technology". By separating the production of undesirable outputs from that of desirable outputs, not only do we ensure that … index also provides a meaningful way to decompose environmental productivity into environmental technological and efficiency …
