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Indifference Curve Analysis: An Alternativeapproach to Understanding Consumer Choice

24 April, 2015 - 11:52

Learning Objectives

  • Explain utility maximization using the concepts of indifference curves and budget lines.
  • Explain the notion of the marginal rate of substitution and how it relates to the utility-maximizing solution.
  • Derive a demand curve from an indifference map.

Economists typically use a different set of tools than those presented in the chapter up to this point toanalyze consumer choices. While somewhat more complex, the tools presented in this section give us a powerful framework for assessing consumer choices.

We will begin our analysis with an algebraic and graphical presentation of the budget constraint.We will then examine a new concept that allows us to draw a map of a consumer’s preferences. Then we can draw some conclusions about the choices a utility-maximizing consumer could be expected to make.