We nowcast world trade using machine learning, distinguishing between tree-based methods (random forest, gradient … across different horizons and real-time datasets. To further improve performances when forecasting with machine learning, we … learning regression. We find that both pre-selection and factor extraction significantly improve the accuracy of machine-learning …

organizational routines, organizational competencies and skills. In the second part, we consider some empirical implications of the …

understand better how subjects with different cognitive abilities learn differently, we estimate a structural model of learning … ability to that of character skills, and find that both cognition and personality affect behavior and learning. More agreeable …