6Musgrave. R. A. The Thoery of Public Finance [M] . McGraw - Hill, New York, 1959.
7Oates , Wallace. E. An Essay on Federalism [J] . Journal of Economic Literature , 1999 (Sept)
8Qian Yingyi , Roland. Federalism and the Soft Budget Constraint [ J ] . American Economic Review, 1998 (88) .
9Richard M. Bird, Michael. Intergovernmental transfers : International Lessons for Developing Countries [ J] . Economic Development , 2002 , Vol. 30 No. 6.