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Abstract: This paper studies the first model of social interactions with anti-coordination. Agents have fixed partners with whom they play a common bilateral game of anti-coordination, like the chicken game. Partnerships are represented as links of a network. The paper asks: How do social interactions interplay with the incentives to anti-coordinate? How does the social network affect individual choices in equilibrium? The analysis shows that network effects are much stronger than when partners play a coordination game. The network notably affects how agents respond when a strategy becomes more advantageous. In the standard benchmark of complete interactions, more agents play the strategy. This result does not generally hold when the network is incomplete. On bipartite networks, agents'' choices are unaffected, while on core-periphery networks, less agents may play the strategy. [Copyright &y& Elsevier]

Previous studies indicate that school friendship networks of sexual minority students (students with non-heterosexual orientations) consist mostly of straight peers, but little is known about these straight friends. This paper examines what background characteristics predict straight students’ chance of having sexual minority friends by analyzing friendship nomination data from two large high schools included in the National Longitudinal Study of Adolescent Health. Straight females are more likely than straight males to have cross-orientation friendships particularly with sexual minority males. Like friendships among straight students, cross-orientation friendships show a strong homophilous tendency—straight students choose sexual minority friends within their grade levels, racial groups, and academic aptitude levels. Beyond homophily, white race and high levels of academic aptitude and parent education increase straight students’ chance of having sexual minority friends in some gender combinations, consistent with previous research showing the links between these backgrounds and positive attitudes toward sexual minorities. [Copyright &y& Elsevier]