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Specification and testing of some modified count data models
Mullahy, John - In: Journal of econometrics 33 (1986) 3, pp. 341-365
Persistent link: https://www.econbiz.de/10003638477
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Moment-based estimation and testing of stochastic frontier models
Kopp, Raymond John - In: Journal of econometrics 46 (1990) 1, pp. 165-183
Persistent link: https://www.econbiz.de/10001163580