Instrumental variables I: instrumental variables exploit natural variation in nonexperimental data to estimate causal relationships
- 9 April 2009
- journal article
- tutorial instrument-variables
- Published by Elsevier
- Vol. 62 (12) , 1226-1232
- https://doi.org/10.1016/j.jclinepi.2008.12.005
Abstract
No abstract availableKeywords
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