# Testing and relaxing the exclusion restriction in the control function approach

> Research article (Journal of Econometrics, 2021) · cited 46× · AI/ML

**Wikidata**: [openalex:W3137782443](https://www.wikidata.org/wiki/openalex:W3137782443)  
**Source**: https://4ort.xyz/entity/testing-and-relaxing-the-exclusion-restriction-in-the-control-function-approach