This course aims to develop a comprehensive understanding of statistical concepts, techniques, and statistical inference in the context of decision-making process. In addition to a quick review of materials covered in undergraduate statistics courses (e.g., probability and probability distributions, sampling theory, confidence interval estimation, hypothesis testing), topics of this part include, but not limited to, univariate and multivariate regressions, time series analysis, panel data analysis, as well as various methods that address endogeneity issues in estimations.