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David Chan

Professor, Economic Analysis & Policy · UC Berkeley Haas School of Business

Professor of Economic Analysis & Policy at UC Berkeley Haas, working on health economics. Previously at Stanford, where he was Associate Professor of Health Policy.

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Published American Economic Review Published Aug 2026

The Productivity of Professions: Evidence from the Emergency Department

David Chan · Yiqun Chen

This paper studies the productivity of nurse practitioners (NPs) versus physicians performing overlapping tasks in Veterans Health Administration (VHA) emergency departments (EDs), exploiting a …

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