Immigration control-related audits and their resulting sanctions are not solely determined by impartial enforcement of laws and regulations. They are also determined by the incentives faced by vote-maximizing congressmen, agents acting on their behalf, and workers likely to compete with...

This paper analyzes an early modern German economy to test alternative theories about guilds. It finds little evidence to support recent hypotheses arguing that guilds corrected market failures relating to product quality, training, and innovation. But it finds that guilds were social networks...