TY - GEN AU - Pan,Xiaofei Sophia AU - Houser,Daniel TI - Competition for trophies triggers male generosity SN - 1932-6203 PY - 2011///0816 KW - Altruism KW - Competitive Behavior KW - Cooperative Behavior KW - Female KW - Humans KW - Male KW - Reward N1 - Publication Type: Journal Article UR - https://doi.org/10.1371/journal.pone.0018050 ER -