Economics 2150A/B Chapter Notes - Chapter 4: Lagrange Multiplier, Utility Maximization Problem, Budget Constraint
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ECON 2150A/B Full Course Notes
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Interior solution optimum bundle lies on b. c. Corner solution optimum bundle lies on a corner of b. c: optimization rule, at interior optimum, the slope of ic = slope of the budget constraint, mux/px = muy/py (interior solution only) At the optimum, the marginal utility of the last dollar spent on good x must equal the marginal utility of the last dollar spent on good y: solve for an interior solution. Two methods: tangency condition plus the budget constraint, lagrange multiplier method, identify a corner point solution, optimal consumption basket solves both a utility maximization problem and an expenditure minimization problem, applications of consumer theory : Understand future value, present value, and the marginal rate of time preference. Maximize utility subject to an income constraint. This chapter discusses the theory behind consumer decision-making. The consumer chooses how much of good x and how much of good y he/she can consume given their current income.