Costly Signaling & Bayesian Updating Simulator Spence Game Model

Bayesian Game Insight: In cheap talk (costless badge), both Genuine (30%) and Opportunistic (70%) actors emit the signal because cost is zero. Posterior belief equals prior P(G|Signal) = 0.30, providing zero receiver precision. Raising signal cost threshold above V=40 deters opportunistic actors while genuine actors continue signaling, triggering a Separating Equilibrium with P(G|Signal) = 1.00.