This paper analyzes firm incentives to diffuse and adopt advanced abatement technology for three different regimes of tradeable emission permits (auctioning, benchmarking, and grandfathering). We particularly consider technical change that decreases marginal abatement costs (MACs) only at high...

Moral rules and social norms influence whether individuals break the law. We characterize optimal law enforcement when some individuals obey internalized moral rules and implement social norms for other individuals who prefer to comply with them. Moral individuals and norm followers are linked...

This article questions whether excessive policing practices can persist in an environment where law enforcement policies are subject to political pressures. Specifically, it considers a setting where the police decide whether to conduct stops based on the suspiciousness of a person's behavior...