Twostep and maximum likelihood estimation of Heckmantype sample selection models: standard sample selection models (Tobit2), endogenous switching regression models (Tobit5), sample selection models with binary dependent outcome variable, interval regression with sample selection (only ML estimation), and endogenous treatment effects models. These methods are described in the three vignettes that are included in this package and in econometric textbooks such as Greene (2011, Econometric Analysis, 7th edition, Pearson).
Package details 


Author  Arne Henningsen [aut, cre], Ott Toomet [aut], Sebastian Petersen [ctb] 
Maintainer  Arne Henningsen <arne.henningsen@gmail.com> 
License  GPL (>= 2) 
Version  1.212 
URL  http://www.sampleSelection.org 
Package repository  View on CRAN 
Installation 
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