This paper studies the costs and benefits of the adoption of the policy of free movement for workers. For the countries to agree on uncontrolled movement of workers, the short run costs must be outweighed by the long term benefits that result from better labor market flexibility and income...

A common practice of banks has been to pool assets of different qualities and then sell a fraction of the newly created portfolios to investors. We extend the signaling model for single sales of risky assets to portfolio sales. We identify conditions under which signaling at the portfolio level...

Lending across national boundaries is different from lending within national boundaries because of the difficulty of imposing legal sanctions. This note, examines a simple model of international lending where the borrower can repudiate, without legal sanction, if this is to his advantage. The...

In this paper we consider a regulated monopoly that can pad its costs to increaseits cost reimbursement. Even while padding is ineácient the optimal incentivescheme tolerates some padding of costs to reduce the information rents paid tolow cost types. It is shown that high cost ßrms pad costs...