Social contacts help workers to find jobs, but those jobs need not be in the occupations where workers are most productive. Hence social contacts can generate mismatch between a worker's occupational choice and his comparative productive advantage. Thus economies with dense social networks can...

We study the optimal long-term contract offered to workers when firms are financially constrained in their investment plans. To alleviate the tightness of the financial constraints, firms promise an increasing wage profile to workers, that is, they pay lower wages today in exchange of higher...