Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/207457 
Year of Publication: 
2019
Series/Report no.: 
IZA Discussion Papers No. 12632
Publisher: 
Institute of Labor Economics (IZA), Bonn
Abstract: 
This paper studies the causal impact of indoor air quality on the cognitive performance of individuals using data from official chess tournaments. We use a chess engine to evaluate the quality of moves made by individual players and merge this information with measures of air quality inside the tournament venue. The results show that poor indoor air quality hampers cognitive performance significantly. We find that an increase in the indoor concentration of fine particulate matter (PM2.5) by 10 μg/m3 increases a player's probability of making an erroneous move by 26.3%. The impact increases in both magnitude and statistical significance with rising time pressure. The effect of the indoor concentration of carbon dioxide (CO2) is smaller and only matters during phases of the game when decisions are taken under high time stress. Exploiting temporal as well as spatial variation in outdoor pollution, we provide evidence suggesting a short-term and transitory effect of fine particulate matter on cognition.
Subjects: 
indoor air quality
cognition
worker productivity
chess
JEL: 
D91
I1
J24
Q50
Z20
Document Type: 
Working Paper

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