In this paper we propose a novel approach in analysing the impact of changes in sovereign credit ratings on stock markets. We study the evolution of a segmented form of the stock market index for several crisis-hit countries, including both European and Asian markets. Such evolution is modelled...

The euro area (EA) plays a major role in the global economy. Market perceptions of events in the EA program countries illustrate the possibility of large spillovers from the area in times of stress. The prospect of large spillovers underscores the urgent need for actions to contain, and...