The modern literature on city formation and development, for example the New Economic Geography literature, has studied the agglomeration of agents in size or mass. We investigate agglomeration in sorting or by type of worker, that implies agglomeration in size when worker populations differ by...

Rent-sharing between firm owners and workers is a robust empirical finding. If workers bargain with firms, information on the actual surplus is essential. When the firm can use profit shifting to create private information on the surplus, it can thereby reduce its wage bill. We study how rent...

In this paper the role of information asymmetries between regions and a centralized authority is analyzed. In a model with inter-regional externalities due to capital mobility and a source-based tax instrument, we first derive conditions for which the optimum can be implemented by an adequately...