6Angus deaton,muellbauer.An Almost Ideal Demand System[J].The American Economic Review,1980,70(3):312-326.
7Angus deaton.1991.Saving and Liquidity Con-straint[J].Econometrical,59(5):1221-1248.
8Alessandra guariglia,mariacristina rossi.2002.Con-sumption,Habit Formation and Precautionary Sav-ing:Evidence from British Household Panel Survey[J].Oxford Economic Papers,54(1):1-19.
9Christopher carroll.1992.The Buffer Stock Theory of Savings:Some Macroeconomic Evidence[J].Brooking Papers on Economic Activity,23(2):61-156.
10Christopher carroll.2009.Precautionary saving and the marginal propensity to consume out of perma-nent income[J].Journal of Monetary Economics,56(6):780-790.
