This paper considers forecast combination with factor-augmented regression. In this framework, a large number of forecasting models are available, varying by the choice of factors and the number of lags. We investigate forecast combination using weights that minimize the Mallows and the...

This paper considers forecast combination with factor-augmented regression. In this framework, a large number of forecasting models are available, varying by the choice of factors and the number of lags. We investigate forecast combination across models using weights that minimize the Mallows...

We investigate the causal impacts of air pollution on analyst forecast accuracy around earnings announcements. Using the air quality index in analyst workplaces, we provide direct evidence of the following. First, air pollution significantly reduces analysts' earnings forecast accuracy in...