Group Identity and Social Preferences

APPENDIX A. Sequential Games with Self-Other AllocationsIngroup Outgroup ControlTwo-person dictator gamesB chooses Left Right Left Right Left RightDict 1 (400,400) vs. (750,400) 0.28 0.73 0.4 0.6 0.33 0.67Dict 2 (400,400) vs. (750,375) 0.63 0.37 0.63 0.37 0.82 0.18Dict 3 (300,600) vs. (700,500) 0.67 0.33 0.92 0.08 0.76 0.24Dict 4 (200,700) vs. (600,600) 0.33 0.68 0.65 0.35 0.5 0.5Dict 5 (0,800) vs. (400,400) 0.59 0.41 0.77 0.23 0.64 0.36Two-person response games: Bs payoffs identicalA stays out If A enters, B chooses Out Enter Left Right Out Enter Left Right Out Enter Left RightResp 1a (750,0) (400,400) vs. (750,400) 0.46 0.54 0.35 0.65 0.67 0.33 0.55 0.45 0.29 0.71 0.32 0.68Resp 1b (550,550) (400,400) vs. (750,400) 0.7 0.3 0.45 0.55 0.83 0.18 0.55 0.45 0.7 0.3 0.39 0.61Resp 6 (100, 1000) (75,125) vs. (125,125) 0.3 0.7 0.2 0.8 0.28 0.73 0.4 0.6 0.3 0.7 0.35 0.65Resp 7 (450,900) (200,400) vs. (400,400) 0.95 0.05 0.1 0.9 0.88 0.13 0.3 0.7 0.83 0.17 0.13 0.87Two-person response games: Bs sacrifice helps AA stays out If A enters, B chooses Out Enter Left Right Out Enter Left Right Out Enter Left RightResp 2a (750,0) (400,400) vs. (750,375) 0.28 0.72 0.72 0.28 0.62 0.38 0.85 0.15 0.59 0.41 0.73 0.27Resp 2b (550,550) (400,400) vs. (750,375) 0.8 0.2 0.72 0.28 0.83 0.18 0.82 0.18 0.95 0.05 0.64 0.36Resp 3 (750,100) (300,600) vs. (700,500) 0.68 0.33 0.42 0.58 0.83 0.18 0.71 0.29 0.82 0.18 0.55 0.45Resp 4 (700,200) (200,700) vs. (600,600) 0.49 0.51 0.26 0.74 0.85 0.15 0.54 0.46 0.55 0.45 0.23 0.77Resp 5a (800,0) (0,800) vs. (400,400) 0.78 0.23 0.38 0.62 0.9 0.1 0.56 0.44 0.81 0.19 0.45 0.55Resp 5b (0,800) (0,800) vs. (400,400) 0 1 0.5 0.5 0 1 0.7 0.3 0 1 0.64 0.36Resp 8 (725,0) (400,400) vs. (750,375) 0.65 0.35 0.7 0.3 0.8 0.2 0.78 0.23 0.74 0.26 0.83 0.17Resp 9 (450,0) (350,450) vs. (450,350) 0.63 0.38 0.68 0.33 0.83 0.18 0.75 0.25 0.74 0.26 0.87 0.13Two-person response games Bs sacrifice hurts AA stays out If A enters, B chooses Out Enter Left Right Out Enter Left Right Out Enter Left RightResp 10 (375, 1000) (400,400) vs. (350,350) 0.43 0.58 0.97 0.03 0.23 0.78 0.95 0.05 0.38 0.62 0.95 0.05Resp 11 (400, 1200) (400,200) vs. (0,0) 0.79 0.21 0.97 0.03 0.64 0.36 0.9 0.1 0.82 0.18 0.91 0.09Resp 12 (375, 1000) (400,400) vs. (250,350) 0.5 0.5 0.9 0.1 0.4 0.6 0.78 0.23 0.22 0.78 0.96 0.04Resp 13a (750,750) (800,200) vs. (0,0) 0.88 0.13 0.98 0.03 0.78 0.23 0.88 0.13 0.83 0.17 0.91 0.09Resp 13b (750,750) (800,200) vs. (0,50) 0.83 0.18 0.93 0.08 0.73 0.28 0.8 0.2 0.74 0.26 0.83 0.17Resp 13c (750,750) (800,200) vs. (0,100) 0.85 0.15 0.88 0.13 0.8 0.2 0.7 0.3 0.78 0.22 0.78 0.22Resp 13d (750,750) (800,200) vs. (0,150) 0.85 0.15 0.75 0.25 0.85 0.15 0.65 0.35 0.87 0.13 0.91 0.0921