Abstract: The traditional coal energy system cannot meet the requirements of modern industrial production for sustainable development because extensive economic growth has caused significant coal ...
When someone raises an issue without a solution, ask exploratory questions rather than dismissing the concern. Share stories of failures in leadership meetings, focusing on what was learned. Allocate ...
Abstract: The Markowitz mean-variance (MV) model is the basis of modern portfolio theory, the goal of which is to choose an optimal set of weights with the maximum expected return for a given level of ...