8Ronald A.Edwards,The structure of authority,federalism,commitment and economic growth,[J],EconomicTheory,Vol.25,No.3(Apr.2005).
9Aseema.Sinha,Political Foundations ofMarket Enhancing Federalism:TheoreticalLessons from India and China,[J],Comparative Politics,Vol.37,No.3(Apr.,2005).
10John Kincaid,Contemporary U.S.Federalism:Coercive change with cooperative continuity,[J],Revista d’estudis autonòmics i federals,2008.