This paper estimates a monetary policy reaction function for the ECB over the period 1999-2009. To allow for a potential shift in interest rate setting during the financial crisis, we permit a smooth transition from one set of parameters to another. The estimates show a swift change in the...

We investigate shifts in correlation patterns among international equity returns at the market level as well as the industry level. We develop a novel bivariate GARCH model for equity returns with a smoothly time-varying correlation and then derive a Lagrange Multiplier statistic to test the...

This paper investigates whether there has been a structural increase in financial market integration in nine European countries and the US in the period 1980-2003. We employ a GARCH model with a smoothly time-varying correlation to estimate the date of change and the speed of the transition...