The making of public policy and its analysis have been strongly informed by microeconomics. In all public sectors, the role of behavioral insights (combining knowledge from economics and psychology) has become critically important for better policy making. The objective of this course is to provide students a basic understanding of microeconomics and the principles of behavioral economics and insights. In terms of methodological training, this course will introduce the experimental method and design that have been widely applied in social science research, such as field experiment and survey experiment. Based on latest research on human behavior and cognitive bias, this course intends to help student to comprehend how behavioral insights can inform public policy by using experimental method. Evidence and practice will be provided in policy fields, including environment, education and health.