The economy is experiencing a large shift towards professional services. Markets for these services are characterized by large information asymmetries: the difficulty in providing the necessary advice, the quality of the advice, and whether a problem is solved may all be unobservable. Our...

A monetary union is modelled as a technology that makes surprise devaluations impossible but requires voluntarily participating countries to follow the same monetary policy. It is shown that for low discount factors and sufficiently correlated shocks welfare in the union is higher than that...