Relative Value of Public Enforcement and Private Enforcement -Landes and Posner Optimal public enforcement is defined as a social planner's unconstrained social-welfare-maximizing problem through the optimal choice of fines and the probability of apprehension and conviction. Private enforcement regime will result in overinvestment in law enforcement. Page·7Page  7 Relative Value of Public Enforcement and Private Enforcement  Landes and Posner  Optimal public enforcement is defined as a social planner's unconstrained social-welfare-maximizing problem through the optimal choice of fines and the probability of apprehension and conviction. Private enforcement regime will result in overinvestment in law enforcement