1. Preqin Sovereign Wealth Fund Review, Executive Summary, 2013.
2. Some papers were more objective. A detailed one was J Aizen-man and R Glick, “Sovereign Wealth Funds: Stylized Facts about their Determinants and Governance”, NBER Working Paper no 14562 (December 2008).
3. C Balding, “A Portfolio Analysis of Sovereign Wealth Funds”, available at SSRN: http://ssrn.com/abstract=1141531 or http://dx.doi.org/10.2139/ssrn.1141531.
4. E Truman, “A Blue Print for Sovereign Wealth Fund Best Practices”, Peterson Institute Policy Brief (April 2008).
5. Sovereign wealth funds and national security: the Great Tradeoff