The paper provides new insights into the productivity of teams and the relationship between the inspector and the inspected party. Exploiting exogenous variation in the number of inspectors that are sent to offshore oil and gas platforms in the Gulf of Mexico, we find that adding an inspector...

The presence of a heavy truck on the road can impose an externality if accidents occur that would not have otherwise. We find each additional truck on the road increases the risk of a truck accident – but also, at an even higher rate, the risk of a car-on-car collision. Our estimates imply two...

The paper provides new insights into the productivity of teams and the relationship between the inspector and the inspected party. Exploiting exogenous variation in the number of inspectors that are sent to offshore oil and gas platforms in the Gulf of Mexico, we find that adding an inspector...