At 2003, Robert F. Engle and Clive WJ. Granger received the Nobel Prize, because their Cointegration theory had solved two difficult problems, the Time-Varying Volatility and Non-stationary in the time series analysis field.

• 2003年；诺贝尔经济学奖颁给了在时间序列计量经济学研究领域做出突破性贡献的两位美国经济学家；罗伯特·恩格尔(Robert F.；Engle)和克莱夫·格兰杰(Clive WJ