Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/79359 
Year of Publication: 
2002
Series/Report no.: 
cemmap working paper No. CWP15/02
Publisher: 
Centre for Microdata Methods and Practice (cemmap), London
Abstract: 
We consider the identification of the average treatment effect in models with continuous endogenous variables whose impact is heterogeneous. We derive a testable restriction that allows us to assess the degree of unobserved heterogeneity. Our analysis uses assumptions relating to the Local Instrumental Variables (LIV) approach and the control function approach.
Persistent Identifier of the first edition: 
Document Type: 
Working Paper

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