Narrow search
Showing 1 - 3 of 3
Cover Image
Profile methods
Ritter, Christian - 1993
Persistent link: https://www.econbiz.de/10000879380
Cover Image
Another look at the american electrical utility data
Ritter, Christian - 1994
Persistent link: https://www.econbiz.de/10000885638
Cover Image
Pitfalls of normal-gamma stochastic frontier models
Ritter, Christian - In: Journal of productivity analysis 8 (1997) 2, pp. 167-182
Persistent link: https://www.econbiz.de/10001222790