In fighting a financial crisis, opacity (keeping the names of banks borrowing at emergency lending facilities secret) and stigma (the cost of having a bank's name revealed) are desirable to restore confidence. Lending facilities raise the perceived average quality of all banks' assets. Opacity...

This paper asserts that the contagion currently afflicting sovereign bond markets in the eurozone can only be stopped if there is a central bank willing to be lender of last resort, i.e. willing to guarantee that the cash will always be available to pay out the bondholders. Until recently, the...

We develop a simple model of the exchange rate in which agents optimize their portfolio and use different forecasting rules. They check the profitability of these rules ex post and select the more profitable one. This model produces two kinds of equilibria, a fundamental and a bubble one. In a...