Many great economic thinkers, including Alfred Marshall and William Stanley Jevons discussed the importance of joint production, or productive complements, and there are important applications. Yet many students today could complete an economics major and never be introduced to this important...

Election fraud can threaten democracy if many ineligible people are allowed to vote. The usual policy prescription is to increase monitoring cost. However, this is very costly. This paper proposes a more cost effective strategy: substitute tougher and consistent statutes across states against...