We document a negative relation between air pollution during corporate site visits by investment analysts and subsequent earnings forecasts. After accounting for analyst, weather, and firm characteristics, an extreme worsening of air quality from “good/excellent” to “severely polluted”...

We examine whether mandatory research and development (R&D) investments disclosure matters to analyst forecast accuracy. Using a difference-in-differences research design, we document a significant decrease in forecast errors for firms that previously chose not to disclose R&D investments but...