In this paper we investigate the short-term contagion and long-term integration effects of terrorist activity on national stock markets. Using the partially integrated model of Bekaert et al. (Bekaert G, Harvey C and Ng A (2005) Market integration and contagion. Journal of Business 78:...

This paper finds that observed monthly United States stock index returns are consistent with an underlying mechanism of shifts in regimes amongst multiple states with differing means and volatility. An issue of especial interest is whether long-term clustering of regimes gives rise to stock...