2. Choice and Utility Functions Choice in Consumer Demand Theory and Walrasian Demand b. Properties of demand from continuity and properties from WARP C. Representing Preferences with a Utility Function d. Demand as Derived from Utility Maximization e. Application: Fertility2. Choice and Utility Functions a. Choice in Consumer Demand Theory and Walrasian Demand b. Properties of demand from continuity and properties from WARP c. Representing Preferences with a Utility Function d. Demand as Derived from Utility Maximization e. Application: Fertility