8Stone. Linear Expenditure System and Demand Analysis: An Application to the Pattern of British Demand. Economic Journal, 1954.
9Luch. The Extended Linear Expenditure System. European Economic Review, 1973.
10China in the World Economy. The Domestic Policy Challenges , OECD 2002, Arellane. Panel Data Econometrics. New York : Oxford Uni- versity Press ,2003.