The authors contend that the theory of optimum currency areas (OCA) provides a useful framework for discussions of monetary integration. The authors summarize the historical development of monetary integration and discuss possible future development. Theoretical issues, such as those raised in...

We analyze effect of intraday information flow in three emerging EU stock markets-the Czech Republic, Hungary, and Poland. We use five-minute intraday data on stock market index returns and 15 types of EU and U.S. macroeconomic announcements during 2004-2007. We measure each announcement as its...