Dive into a comprehensive graduate-level course on public economics from Harvard University. Explore the optimal design of tax and social insurance policies, combining theoretical models with empirical evidence. Cover key topics including efficiency costs and incidence of taxation, income taxation, transfer and welfare programs, public goods and externalities, optimal social insurance, and welfare analysis in behavioral models. Through a series of lectures, examine tax incidence, efficiency costs of taxation, optimal taxation, income taxation and labor supply, social insurance, public goods and externalities, and corporate taxation. Gain insights from expert instruction, including a guest lecture on social insurance, to develop a deep understanding of public economics principles and their real-world applications.