Reply to Egloff et al.: On the relationship between positive and negative reciprocity

Comment

Toshio Yamagishi. Proc Natl Acad Sci U S A. 2013.

. 2013 Feb 26;110(9):E787.

doi: 10.1073/pnas.1222349110.

No abstract available

Conflict of interest statement

The author declares no conflict of interest.

Rejection of unfair offers in the ultimatum game is no evidence of strong reciprocity.
Yamagishi T, Horita Y, Mifune N, Hashimoto H, Li Y, Shinada M, Miura A, Inukai K, Takagishi H, Simunovic D. Yamagishi T, et al. Proc Natl Acad Sci U S A. 2012 Dec 11;109(50):20364-8. doi: 10.1073/pnas.1212126109. Epub 2012 Nov 27. Proc Natl Acad Sci U S A. 2012. PMID: 23188801 Free PMC article.
Need for conclusive evidence that positive and negative reciprocity are unrelated.
Egloff B, Richter D, Schmukle SC. Egloff B, et al. Proc Natl Acad Sci U S A. 2013 Feb 26;110(9):E786. doi: 10.1073/pnas.1221451110. Epub 2013 Feb 4. Proc Natl Acad Sci U S A. 2013. PMID: 23382252 Free PMC article. No abstract available.

1. Egloff B, Richter D, Schmukle SC. Need for conclusive evidence that positive and negative reciprocity are unrelated. Proc Natl Acad Sci USA. 2013;110:E786. - PMC - PubMed
1. Yamagishi T, et al. Rejection of unfair offers in the ultimatum game is no evidence of strong reciprocity. Proc Natl Acad Sci USA. 2012;109(50):20364–20368. - PMC - PubMed