Do Checklists Make a Difference? A Natural Experiment from Food Safety Enforcement

36 Pages Posted: 7 May 2018

Date Written: June 2018

Abstract

Inspired by Atul Gawande's bestselling Checklist Manifesto, many commentators have called for checklists to solve complex problems in law and public policy. We study a unique natural experiment to provide the first systematic evidence of checklists in law. In 2005, the Public Health Department of Seattle and King County revised its health code, subjecting half of inspection items to a checklist, with others remaining on a free‐form recall basis. Through in‐depth qualitative analysis, we identify the subset of code items that remained substantively identical across revisions, and then apply difference‐in‐differences to isolate the checklist effect in more than 95,000 inspections from 2001–2009. Contrary to scholarly and popular claims that checklists can improve the administration of law, the checklist has no detectable effect on inspector behavior. Making a violation more salient by elevating it from “noncritical” to “critical” status, however, has a pronounced effect. The benefits of checklists alone are considerably overstated.

Suggested Citation

Ho, Daniel E. and Wyman, Phil, Do Checklists Make a Difference? A Natural Experiment from Food Safety Enforcement (June 2018). Journal of Empirical Legal Studies, Vol. 15, Issue 2, pp. 242-277, 2018, Available at SSRN: https://ssrn.com/abstract=3173372 or http://dx.doi.org/10.1111/jels.12178

Daniel E. Ho (Contact Author)

Stanford Law School ( email )

559 Nathan Abbott Way
Stanford, CA 94305-8610
United States
650-723-9560 (Phone)

HOME PAGE: http://dho.stanford.edu

Phil Wyman

Independent

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