First do no harm - The impact of financial incentives on dental X-rays

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Title:	First do no harm - The impact of financial incentives on dental X-rays
Author(s):	Chalkley, M.; Listl, S.
Publication year:	2018
Source:	Journal of Health Economics, vol. 58, (2018), pp. 1-9
ISSN:	0167-6296
DOI:	https://doi.org/10.1016/j.jhealeco.2017.12.005
Publication type:	Article / Letter to editor
Please use this identifier to cite or link to this item : http://hdl.handle.net/2066/190628
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Subject:	Radboudumc 18: Healthcare improvement science RIHS: Radboud Institute for Health Sciences
Organization:	Dentistry
Journal title:	Journal of Health Economics
Volume:	vol. 58
Page start:	p. 1
Page end:	p. 9
Abstract:	This article assesses the impact of dentist remuneration on the incidence of potentially harmful dental X-rays. We use unique panel data which provide details of 1.3 million treatment claims by Scottish NHS dentists made between 1998 and 2007. Controlling for unobserved heterogeneity of both patients and dentists we estimate a series of fixed-effects models that are informed by a theoretical model of X-ray delivery and identify the effects on dental X-raying of dentists moving from a fixed salary to fee-for-service and patients moving from co-payment to exemption. We establish that there are significant increases in X-rays when dentists receive fee-for-service rather than salary payments and when patients are made exempt from payment.