Emilia Simeonova, Janet Currie, J Peter Nilsson, Reed Walker, 08 July 2018

Traffic congestion is a major problem for urban centres. Among various negative externalities, traffic creates substantial pollution which can impact the health of residents. This column explores how the implementation of a congestion pricing zone affected the health of children in Stockholm. The programme saw short-term reductions in common traffic pollutants and an accompanying decrease in children’s hospital visits for acute asthma. This decrease grew larger the longer the tax was in place. 

Anna Chorniy, Janet Currie, Lyudmyla Sonchak, 24 November 2017

Diagnoses of asthma and ADHD among children in the US have increased over recent years. This column argues that one contributor to this increase has been a change in Medicaid from a fee-for-service model to a managed care model. This change created incentives that reward higher diagnosis and prescription rates, while not necessarily improving health outcomes.

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