Instrumental Variables and Heterogeneous Treatment Effects

JAMA. 2022 Mar 22;327(12):1177-1178. doi: 10.1001/jama.2022.2505.

Matthew L Maciejewski^{1

2

3}, Bryan E Dowd⁴, Edward C Norton^{5

6

7}

¹ Center of Innovation to Accelerate Discovery and Practice Transformation, Durham Veterans Affairs Medical Center, Durham, North Carolina.
² Department of Population Health Sciences, Duke University School of Medicine, Durham, North Carolina.
³ Division of General Internal Medicine, Department of Medicine, Duke University School of Medicine, Durham, North Carolina.
⁴ Division of Health Policy and Management, School of Public Health, University of Minnesota, Minneapolis.
⁵ Department of Health Management and Policy, University of Michigan, Ann Arbor.
⁶ Department of Economics, University of Michigan, Ann Arbor.
⁷ National Bureau of Economic Research, Cambridge, Massachusetts.

No abstract available

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