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On the estimation of a fixed effects model with selectivity bias
Verbeek, Marno - In: Economics Letters 34 (1990) 3, pp. 267-270
Persistent link: https://www.econbiz.de/10005159201
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Missing measurements in econometric models with no auxiliary relations
Verbeek, Marno - In: Economics Letters 43 (1993) 2, pp. 125-128
Persistent link: https://www.econbiz.de/10005257750