Consider an Edgeworth Box economy with a total endowment of 1 unit of each of the two goods. Give a precise description of the Pareto set for each of the following preferences. In addition, in each case, sketch the indifference curves and the efficient allocations in an Edgeworth box. (a) u¹(x) = x₁ + x₂ and u²(x) = x₁ + 2x2. Solution: The Pareto set consists of all (x1, x1, x², x3) such that x² + x² = 1 = x² + x²
Consider an Edgeworth Box economy with a total endowment of 1 unit of each of the two goods. Give a precise description of the Pareto set for each of the following preferences. In addition, in each case, sketch the indifference curves and the efficient allocations in an Edgeworth box. (a) u¹(x) = x₁ + x₂ and u²(x) = x₁ + 2x2. Solution: The Pareto set consists of all (x1, x1, x², x3) such that x² + x² = 1 = x² + x²
Chapter1: Making Economics Decisions
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Transcribed Image Text:. Consider an Edgeworth Box economy with a total endowment of 1 unit of each of the two
goods. Give a precise description of the Pareto set for each of the following preferences.
In addition, in each case, sketch the indifference curves and the efficient allocations in an
Edgeworth box.
(a) u¹(x) = x₁ + x₂ and u²(x) = x1 + 2x2.
Solution: The Pareto set consists of all (x1, x2, x³, x²) such that x² + x² = 1 = x² + x²
and either x = 1 or x = 0.
(b) u¹(x) = x₁ + x₂ and u²(x) = x1 + x2.
Solution: The Pareto set consists of all feasible allocations, i.e. all (x1, x², x³, x²) such
that x + x² = 1 = x² + x².
(c) u¹(x) = x₁ + 2x2 and u²(x) = min{x₁, x2}.
Solution: The Pareto set consists of all (x1, x2, x1, x²) such that x1 + x² = 1 = x² + x²
and x = x₂.
(d) u¹(x) = x₁x² and u²(x) = x²x₂.
Solution: The Pareto set consists of those feasible allocations where the marginal rates
of substitution for the two agents are equal; that is, all (x1, x1, x1, x²) such that x +
x² = 1 = x² + x² and 2²4 = 2 (the superscripts here are agents, not exponents), or
equivalently, 4x = x² + 3x1x².
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