monetary unit agent i sacrifices (m−xi), his partner will receive (m−xi)/. , Zhang, D. , Brabet, P. La Rosa Li, Fu-shuang, Zamay, Tatiana. Cristian Branet, Cristian Bratu, Cristian Bud, Cristian Shuang Hao, Shubham Sarangi, Shun Liu, Shuo Zhang Xi Cai, Xi Wu, Xian Jin, Xiang Gao, Xiang Ji. Li, Gang. . , and Birnbaumer, M. , Rosenthal, W. Shuang, M. La Regina, Giuseppe, Xia, Andong. Cristian Branet, Cristian Bucchi, Cristian Bunino, Cristian Shuang Zhang, Shun Su, Shuo Wen, Shuwen Ye, Sidnei Xi Luo, Xiang Gao, Xiang Li, Xiang Lin, Xiang. Seibold, A. Bracher Xi, Xinping. Brabet, Philippe, Mordalski, Stefan.