well as macro level component. We also employ efficiency estimate, obtained with the help of DEA, to account for the … quality of management. Then we use logit model and proportional hazard model with efficiency component. We find that … efficiency element, together with size and regional belonging, are highly significant in all specifications, while macro …

, efficiency of coal enterprises, and specific features of external opportunities in labor markets influence the occurrences of … demand for the output of the enterprise and are sensitive to efficiency of the enterprise, which is measured through profit …