.5 concentrations, with the drop leveling off for further increases in fine-particle pollution. A back-of-the-envelope calculation … hourly PM2.5 truncated at 25 µg/m3. We also find reduced product quality as pollution rises. Our model allows for selection … into work attendance, though we do not find particle pollution to be a meaningful determinant of non-attendance, which is …

, military training during peacetime has environmental consequences. This research aims to quantify how much pollution is emitted … pollution levels. Leveraging high-frequency data, we employ a machine learning algorithm in conjunction with program evaluation … area. Our findings reveal that these exercises led to a notable increase in air pollution levels, potentially reaching up …

governments establish the optimal city size when production processes involve environmental pollution. Our analysis delivers two … key insights. First, if an optimal scheme to regulate environmental pollution is implemented, cities chosen by local … governments are never too large. They are too small if pollution is purely global, but at the optimal size, if pollution is purely …

implementation of stage 1 and 2 LEZs, which banned the most pollution-intensive vehicles from city centers, significantly reduced PM …