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Measuring technical efficiency with panel data : A dual approach
Atkinson, Scott E.; Cornwell, Christopher - In: Journal of Econometrics 59 (1993) 3, pp. 257-261
Persistent link: https://www.econbiz.de/10005285739
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Production frontiers with cross-sectional and time-series variation in efficiency levels
Cornwell, Christopher; Schmidt, Peter; Sickles, Robin C. - In: Journal of Econometrics 46 (1990) 1-2, pp. 185-200
Persistent link: https://www.econbiz.de/10005228607
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Simultaneous equations and panel data
Cornwell, Christopher; Schmidt, Peter; Wyhowski, Donald - In: Journal of Econometrics 51 (1992) 1-2, pp. 151-181
Persistent link: https://www.econbiz.de/10005228615