It remains complex and difficult to identify the triggering event of a market correction and the nature and scale of propagation channels.
Alan Greenspan: Current account Remarks by Mr Alan Greenspan, Chairman of the Board of Governors of the US Federal Reserve System, at the Advancing Enterprise 2005 Conference, London, England, 4 February 2005. *  *  *  International trade has been expanding as a share of world gross domestic product since the end of World War II.