Explain how a condition that initially did not satisfy Pareto ends up satisfying Pareto in the long run. [Hint: This is the Second Theorem of Welfare Economics]
The theory of second best implies that when one or more
conditions of optimality are not satisfied , then it is essential
to have an alternative or next best. The pareto optimal situation
can't able to apply when more than one conditions are not
satisfied.
Pareto optimality can be achieved only in perfect competition
market. The second theorem stares that there will be price set such
that the outcome or pareto efficiency is a competitive market
equilibrium, provided convex indifference curve.
The second theorem states that the distribution problem and
efficiency problem can be separated. Under second theorem, price
system used to generate better and efficient outcome. The price
must not be used for the purpose of redistribution.the second
theorem is more useful and easier to solve allocative efficiency
problem than competitive equilibrium.
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