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Unobservables in count data models for on-site samples
Santos Silva, J. M. C. - In: Economics Letters 54 (1997) 3, pp. 217-220
Persistent link: https://www.econbiz.de/10005159016
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A note on the score test for neglected heterogeneity in the truncated normal regression model
Santos Silva, J. M. C. - In: Economics Letters 43 (1993) 1, pp. 11-14
Persistent link: https://www.econbiz.de/10005159246