Fuel coefficients of cement production--one for each process of production--are estimated by explicitly accounting for the multiple-kiln structure of cement plants. Unobserved heterogeneity across ...

When making causal inferences, post-treatment confounders complicate analyses of time-varying treatment effects. Conditioning on these variables naively to estimate marginal effects may ...

Beside the model, the other input into a regression analysis is some relevant sample data, consisting of the observed values of the dependent and explanatory variables for a sample of members of the ...