Large metropolitan regions with pollution, congestion and high rents remain the supernatural economic places. The mystery of what exactly raises productivity in large cities continues. Going back to the famous pin factory of Adam Smith, the answer might be that city workers are able to...

This paper shows that a job contains a different task package in a large city than the same job in a small city. We question whether the division of tasks is more extensive in large cities. Most datasets hinder such an empirical analysis as they lack spatial variation in job content. Using...