1Annala, Christopher N. (2003) " Have state and local fiscal policies become more alike? Evidence of beta convergence among fiscal policy variables" [J] . Public Finance Review 31 (2), pp144 -65.
2Cletus C. Coughlin; Thomas A. Garrett and Ruben Hemandez -Murillo (2007)" Spatial Dependence in Models of State Fiscal Policy Convergence" [J] .Public Finance Review, May 2007, pp361 -384.
3Giuseppe Arbia; Roberto Basile and Gianfranco Piras (2005)" Using Spatial Panel Data in Modelling Regional Growth and Convergence" [ J ] . Working Paper.
4Scully, Gerald W. ( 1991 )" The convergence of fiscal regimes and the decline of the Tiebout effect" [J]: Public Choice 72 ( 1 ), pp51 - 59.