基金This paper is funded by a Natural Science Foundation of China (NSFC)-granted project "Impact of China's Population Aging on Economic Growth and Changes in the Industrial Structure in the Medium-and-long Term and Countermeasures" (Grant No.: 71173058/G0301) and "Research on the Financial Crisis Model and Monetary Policy Coordination Based on the New Open Economy Macroeconomics" granted by Ministry of Education, Humanities and Social Sciences Youth Fund (Grant No,: 11YJC790237).