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Corrigendum to ''On Randomized Matching Mechanisms"

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Working paper
Author/s: 
Bettina Klaus and Flip Klijn
Publisher: 
Maastricht University
Year: 
2006
Ma (1996) studied the random order mechanism, a matching mechanism suggested by Roth and Vande Vate (1990) for marriage markets. By means of an example he showed that the random order mechanism does not always reach all stable matchings. Although Ma’s (1996) result is true, we show that the probability distribution he presented – and therefore the proof of his Claim 2 – is not correct. The mistake in the calculations by Ma (1996) is due to the fact that even though the example looks very symmetric, some of the calculations are not as “symmetric.”
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