We investigate the effects of S&P's sovereign re-ratings on the higher moments of equity market returns over recent financial crises. Using a set of intraday stock market index prices and sovereign credit ratings for a sample of 36 countries which experienced sovereign rating changes over the...

In this study we trace changes in sovereign bond spreads over major phases of the recent international financial crisis for representative sovereign bond portfolios drawn from 43 countries, including 20 emerging economies. We extend upon traditional factor analyses and utilize propensity score...