This paper studies the extent to which basic principles of portfolio diversification explain "contagious selling" of financial assets when there are purely local shocks (e.g., a financial crisis in one country). The paper demonstrates that elementary portfolio theory offers key insights into...

This paper studies the extent to which basic principles of portfolio diversification explain "contagious selling" of financial assets when there are purely local shocks (e.g., a financial crisis in one country). The paper demonstrates that elementary portfolio theory offers key insights into...

Some empirical research has suggested that inflation is more persistent under floating exchange rates. Theoretically, we should expect a higher variance of inflation persistence across countries under floating rates, but not necessarily a higher mean. It is shown that estimates of inflation...

Some empirical research has suggested that inflation is more persistent under floating exchange rates. Theoretically, we should expect a higher variance of inflation persistence across countries under floating rates, but not necessarily a higher mean. It is shown that estimates of inflation...