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CWP551818.pdf
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Control variables provide an important means of controlling for endogeneity in econometric models with nonseparable and/or multidimensional heterogeneity. We allow for discrete instruments, giving identication results under a variety of restrictions on the way the endogenous variable and the control variables affect the outcome. We consider many structural objects of interest, such as average or quantile treatment effects. We illustrate our results with an empirical application to Engel curve estimation.
Authors
![Person graphic](/sites/default/files/styles/square_desktop/public/2022-06/IFS-person-graphic.png?itok=hWCtTSrz)
Whitney K. Newey
Working Paper details
- DOI
- 10.1920/wp.cem.2018.5518
- Publisher
- The IFS
Suggested citation
Newey, W. (2018). Control variables, discrete instruments, and identification of structural functions. London: The IFS. Available at: https://ifs.org.uk/publications/control-variables-discrete-instruments-and-identification-structural-functions (accessed: 1 July 2024).
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