Health information, treatment, and worker productivity

Dillon, Andrew, Friedman, Jed and Serneels, Pieter (2021) Health information, treatment, and worker productivity. Journal of the European Economic Association, 19 (2). 1077–1115. ISSN 1542-4766

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Abstract

Agricultural and other physically demanding sectors are important sources of growth in developing countries, but prevalent diseases such as malaria can adversely impact the productivity and labor supply of workers. We estimate the impact of malaria infection on worker earnings, labor supply, daily productivity, and task selection by using a phased-in design where we randomize the study week in which piece-rate workers at a large sugarcane plantation in Nigeria are offered malaria testing and treatment. Two estimation strategies indicate a significant and substantial intent to treat effect of the intervention. The program increases worker weekly earnings by 11%-13% over the weeks following the offer, depending on the reference period, estimated using a between-worker estimator that exploits the experimental design. A within-worker estimate provides similar but smaller estimates of 8%-10%. We identify different pathways through which this effect occurs. For workers who test positive for malaria, the treatment of illness principally increases labor supply, leading to higher earnings. For workers who test negative, the health information leads to increased earnings via augmented daily productivity. This productivity response arises, in part, from selection into higher return tasks within their job at the plantation. The results underline the importance of medical treatment but also of improved access to information about one's health status, as the absence of either leads workers to work less or choose lower return tasks when working.

Item Type:	Article
Uncontrolled Keywords:	sdg 3 - good health and well-being ,/dk/atira/pure/sustainabledevelopmentgoals/good_health_and_well_being
Faculty \ School:	Faculty of Social Sciences > School of Global Development (formerly School of International Development)
UEA Research Groups:	Faculty of Social Sciences > Research Groups > Impact Evaluation Faculty of Social Sciences > Research Groups > Experimental Economics (former - to 2017) Faculty of Social Sciences > Research Centres > Centre for Behavioural and Experimental Social Sciences University of East Anglia Schools > Faculty of Science > Tyndall Centre for Climate Change Research Faculty of Science > Research Centres > Tyndall Centre for Climate Change Research
Related URLs:	http://www.scopus.com/inward/record.url?...
Depositing User:	LivePure Connector
Date Deposited:	21 May 2020 00:20
Last Modified:	28 Mar 2025 09:49
URI:	https://ueaeprints.uea.ac.uk/id/eprint/75264
DOI:	10.1093/jeea/jvaa024

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