1 Correction to: Social Choice and Welfare https://doi.org/10.1007/s00355-019-01180-y
We are grateful to Zhengxing Zou for pointing out an insufficiency in the definition of an element of our new basis for the space of TU games, \(w_T\), in Sect. 5.1. With keeping the definition of \((N,w_T) \in \Gamma \) as it is for \(|T| \ne \frac{n}{2}\), we modify it by
only for \(|T|=\frac{n}{2}\).
According to this modification, the following changes are required.
Proof of Lemma 1
This immediately follows from the fact that \(|T| \ge 3\) and \(|N| \ge 3\). \(\square \)
Proof of Lemma 2
For \(|T| \ne \frac{n}{2}\), the proof is as it is. For \(|T|=\frac{n}{2}\), if \(i\in T\), \(w_T(N\backslash i)=0-0=0\), and if \(i\notin T\), \(w_T(N\backslash i)=u_T(N\backslash i)-u_{N\backslash i}(N\backslash i)=1-1=0\). \(\square \)
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Yokote, K., Kongo, T. & Funaki, Y. Correction to: Relationally equal treatment of equals and affine combinations of values for TU games. Soc Choice Welf 53, 555 (2019). https://doi.org/10.1007/s00355-019-01205-6
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DOI: https://doi.org/10.1007/s00355-019-01205-6