We study a boundedly rational model of imitation when payoff distributions of actions differ across types of individuals. Individuals observe others’ actions and payoffs, and a comparison signal. One of two inefficiencies always arises: (i) uniform adoption, i.e., all individuals choose the...

We analyze information disclosure as a policy instrument for contagion management indecentralized environments. A benevolent planner (e.g., the government) tests a fraction ofthe population to learn the infection rate. Individuals meet randomly and exert vigilanceeffort. Efforts factor in a...