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    Question

     Which of the following describes a situation where an

    economic change satisfies the Kaldor-Hicks Criterion but fails the Scitovsky Paradox (Double Criterion)?
    A The change represents a Pareto Improvement, where at least one person is better off and no one is worse off. Correct Answer Incorrect Answer
    B The total loss to the losers is greater than the total gain to the gainers, resulting in a reduction of social welfare. Correct Answer Incorrect Answer
    C The gainers can compensate the losers and the change is beneficial, but the compensation is not actually paid. Correct Answer Incorrect Answer
    D The gainers from the change can fully compensate the losers and still be better off, but the losers would still be able to bribe the gainers back to the original state. Correct Answer Incorrect Answer

    Solution

    Solution: The Kaldor-Hicks Criterion (or Kaldor-Hicks efficiency) states that a policy change is an improvement if the gainers could, in principle, compensate the losers and still be better off. It is satisfied when the sum of the willingness-to-pay (WTP) of the gainers is greater than the sum of the required compensation (WTA) of the losers. The Scitovsky Paradox (or Scitovsky Reversal) arises when a change from state A to state B satisfies the Kaldor-Hicks Criterion, but the reversal from state B back to state A would also satisfy the Kaldor-Hicks Criterion. This means the move from A to B is beneficial (according to KH), but the subsequent move back from B to A is also beneficial (according to KH), implying ambiguity. Option A perfectly describes this:

    • The first part ("gainers can fully compensate the losers and still be better off") satisfies the Kaldor-Hicks Criterion (A to B is efficient).
    • The second part ("the losers would still be able to bribe the gainers back to the original state") means the reversal (B to A) also satisfies the Kaldor-Hicks Criterion, which is the definition of the Scitovsky Paradox.

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