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The 2003 Nobel Prize in economics *Dr Frank ShostakBrookesNews.ComMonday 27 October 2003 Two economists who have developed statistical techniques to track economic trends and to measure investment risk - Clive Granger and Robert Engle - were this year awarded the Nobel Prize in economics. In this article I will be focusing on the contribution of Clive Granger to economics. According to the Nobel committee Granger's important contribution to economic science is his discovery of a phenomenon called cointegration. This discovery, so it is held, enables economists to accurately validate relationships among various economic data. So what is it all...