Blejer and Schumacher (1999) were the first to suggest that Central Bank's Value at Risk (VaR), a widely used composite measure of potential portfolio losses in the corporate sector, could be used as an early warning indicator of financial crises. We extend their research in two aspects. First,...

This paper seeks to characterise optimal monetary policy rules in the presence of risk and uncertainty. I explore a situation in which the true parameters and the true structure of the economy are unknown to the policymaker, and he is reluctant to make a decision based on a single distribution...