Table 6 Country-specific effects of monthly average NO2 concentrations on perceptions of unethical behavior.

From: Impact of air pollution on human morality: A multinational perspective

  1. ***p < 0.01, **p < 0.05, *p < 0.1. The values of the estimated parameters are simply denoted by positive and negative symbols. Statistical significance is indicated by the color of each cell (red or blue). The five groups of unethical behaviors are based on the results of the factor analysis. All regression analyses include control variables, such as weather conditions and personal attributes, as well as fixed effects, such as region, first-class administrative district (e.g., state, province, or prefecture), second-class administrative district (e.g., city, town, or village), year, and month, with the planetary boundary layer height as an instrumental variable (see Table A6 in Supplementary Information for the full estimation results).
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