That's the bottom line of a newly published study co-authored by an MIT researcher, showing that chess players perform objectively worse and make more suboptimal moves, as measured by a computerized analysis of their games, when there is more fine particulate matter in the air. More specifically, given a modest increase in fine particulate matter, the probability that chess players will make an error increases by 2.1 percentage points, and the magnitude of those errors increases by 10.8 percent. In this setting, at least, cleaner air leads to clearer heads and sharper thinking. 'We find that when individuals are exposed to higher levels of air pollution, they make more more mistakes, and they make larger mistakes,' says Juan Palacios, an economist in MIT's Sustainable Urbanization Lab, and co-author of a newly published paper detailing the study's findings. The paper, 'Indoor Air Quality and Strategic Decision-Making,' appears today in advance online form in the journal Management...
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