This paper examines volatility spillovers from mature to emerging stock markets and tests for changes in the transmission mechanismcontagionduring turbulences in mature markets. Tri-variate GARCH-BEKK models of returns in global (mature), regional, and local markets are estimated for 41 emerging...

We study the effects of U.S. monetary policy and macroeconomic announcements on Argentine money, stock and foreign exchange markets’ returns and volatility over the period 1998 to 2006 using a GARCH model. Firstly, we show that both types of news have a significant impact on all markets....