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This article proposes an extended three-stage DEA methodology similar to Fried et al. (2002) to improve the measurement of productivity growth when the assumption of free disposability of undesirable output does not apply. A directional distance function is used to construct adjusted...
Persistent link: https://www.econbiz.de/10005324781
This study examines the impact of weather on the yields of seven major crops in Taiwan based on pooled panel data for 15 prefectures over the 1977-1996 period. The unit root tests and maximum likelihood methods involving a panel data model are explored to obtain reliable estimates. The uncertain...
Persistent link: https://www.econbiz.de/10005290907
Persistent link: https://www.econbiz.de/10005298813
This article demonstrates how technical efficiency and the impact of environmental regulations of Taiwanese farrow-to-finish swine production can be estimated in the presence of undesirable outputs. The issue of measuring technical efficiencies while considering undesirable outputs has been...
Persistent link: https://www.econbiz.de/10005324778