A fixed-rate deposit insurance system provides a moral hazard for excessive risk taking and is not viable absent regulation. Although the deposit insurance system appears to have worked remarkably well over most of its 50-year history, major problems began to appear in the early 1980s. This...

The authors generalize traditional event-study techniques to allow for event-induced parameter shifts, shifting variances, and firm-specific event periods. Their method, which nests traditional methods, also permits systematic risk to change gradually during the event period and exit the period...

This paper provides a critical analysis of the subadditivity axiom, which is the key condition for coherent risk measures. Contrary to the subadditivity assumption, bank mergers can create extra risk. We begin with an analysis how a merger affects depositors, junior or senior bank creditors, and...