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5Estelle James、 Gary Ferrier、James Smalhout、 Dimitri Vittas: "Mutual Fundsand Institutional Investments: What is the Most Efficient Ways to Set Up Individual Account in A Social Security System?",NBER Conference (1998).
6Hemant Shah, Dimitri Vittas, "Towards Better Regulation of Private Pension Funds" (1997), The World Bank Working Pagers.
7Dimitri Vittas: "Regulatory Controversies of Private Pension Funds" (1998), The World Bank Working Papers.
