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Instrumental variable models for discrete outcomes

Chesher, A.; (2008) Instrumental variable models for discrete outcomes. (cemmap Working Papers CWP30/). Institute for Fiscal Studies: London, UK. Green open access


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Single equation instrumental variable models for discrete outcomes are shown to be set not point identifying for the structural functions that deliver the values of the discrete outcome. Identified sets are derived for a general nonparametric model and sharp set identification is demonstrated. Point identification is typically not achieved by imposing parametric restrictions. The extent of an identified set varies with the strength and support of instruments and typically shrinks as the support of a discrete outcome grows. The paper extends the analysis of structural quantile functions with endogenous arguments to cases in which there are discrete outcomes.

Type: Working / discussion paper
Title: Instrumental variable models for discrete outcomes
Open access status: An open access version is available from UCL Discovery
Publisher version: http://www.cemmap.ac.uk/publications.php?publicati...
Language: English
Keywords: C10, C14, C50, C51
UCL classification: UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of SandHS > Dept of Economics
URI: http://discovery.ucl.ac.uk/id/eprint/14664
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