The Identifiability of the Proportional Hazard Model
作者： J. Heckman , B. Singer
DOI: 10.2307/2297689
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摘要: This paper presents new identifiability conditions for the Cox proportional hazard model duration data when unobserved person specific variables are present. We compare our with those presented by Elbers and Ridder. also present a rich class of parametric models without regressor variables.
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sci-hub.se 参考文章(12)
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