Understanding disparities in contest success is central to explaining how competition shapes the distribution of rewards, influence, or market shares. We introduce the Proportional Play Equilibrium (PPE), a boundedly rational alternative to Nash Equilibrium (NE) grounded in the Illusion of...

Economic and social situations where groups have to compete are ubiquitous. Such group contests create both a coordination problem within and between groups. Introducing leaders may help to mitigate these coordination problems. However, little is known about the effect of leadership in group...