7H. R. Heller. Optimal international reserves [ J ]. The Economic Journal Vol. 76, No. 302, Jun, 1966 : 296 - 311.
8Yin- Wong Cheung& HiroIto. A Cross- Coun- try Empirical Analysis of International Reserves [ J ]. In- ternational Economic Journal, Volume 23, Issue 4, 2009 : 447 - 481.
9Aizenman, J. and Lee, J. International re- serves: precautionary versus mercantilist views, theory and evidence [ J ]. Open Economies Review, 2007 , 18 : 191 - 214.
10Cheung, Y.W. , Qian, X. Hoarding of interna- tional reserves: Mrs Machlup's wardrobe and the Joneses [ J ]. Review of International Economics, 2009, NO17 : 824 - 843.