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  • The Pareto Efficiency Condition (MRS = MRT)

  • Conditions for a Pareto-Efficient Allocation

The MRS = MRT Condition for Individual and Joint Optimal Outcomes

The condition where the Marginal Rate of Substitution (MRS) equals the Marginal Rate of Transformation (MRT) is fundamental to achieving optimal outcomes. It not only defines the point where the total joint surplus is maximized, leading to a Pareto-efficient allocation, but it also represents the profit-maximizing or utility-maximizing choice for any single decision-maker. Regardless of whether Angela is choosing her hours as an independent farmer or Bruno is dictating the terms of a contract, the best possible outcome for the decision-maker occurs at a point where the slope of the indifference curve (MRS) is tangent to the slope of the feasible frontier (MRT).

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Introduction to Microeconomics Course

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