Showing 1 - 7 of 7
Persistent link: https://www.econbiz.de/10008659206
Persistent link: https://www.econbiz.de/10009244619
Persistent link: https://www.econbiz.de/10009618703
Since the 1990s, efficiency and benchmarking analysis has increasingly been used in network utilities research and regulation. A recurrent concern is the effect of environmental factors that are beyond the influence of firms (observable heterogeneity) and factors that are not identifiable...
Persistent link: https://www.econbiz.de/10008661949
Persistent link: https://www.econbiz.de/10014480964
Persistent link: https://www.econbiz.de/10003832417
Persistent link: https://www.econbiz.de/10003161294