1 An Introduction to Preference Theory 2 Algebraic Choice Theory 3 Revealed Preference Theory 4 Consumer Demand Theory 5 Pure Exchange Economies 6 Production Theory 7 Fundamental Welfare Theorems 8 The Existence of Competitive Equilibrium 9 Examples of General Equilibrium Analyses 10 Comparative Statics and Stability 11 The Core of an Economy 12 General Equilibrium with Uncertainty 13 Further Topics 14 Social Choice and Voting Rules 15 Some Tools of Applied Welfare Analysis 16 Public Goods 17 Externalities 18 Incentives and Implementation Theory 19 Appendix. Solutions for Selected Exercises