ArticleHealth economics2026
Unintended Consequences of Installing Platform Screen Doors: Displacement and Substitution for Suicide Attempts.
Article in Health economics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This research investigates the displacement and substitution effects of installing physical barriers in metro stations for suicide prevention. Although physical barriers are considered effective at reducing suicides at a given metro station, it remains unexplored whether their installation actually decreases suicide attempts at the macro level. Exploiting the timing of the installation and using platform-level novel data on suicide attempts, we find new evidence showing that installing physical barriers at metro stations causes (1) displacement to other lines without barriers in the same station, (2) displacement to other single-line stations, and (3) substitution to other suicide methods.
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Registered trials
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