We study a class of deceptively similar games, which however have different player sets and predictions that vary with their cardinality. The economic, biological, political, and psychological applications are many. The game-theoretic principles involved are compelling as predictions rely on...

We study tacit collusion in price-setting duopoly games with strategic complements and substitutes. While this problem has been considered by several studies, this article sheds new light on the comparison by focusing on the relationship between dynamic stability of equilibrium and tacit...