1. Brazil: An Evolving Federation;J R Afonso;Managing Fiscal Decentralization,2002
2. Spatial Dependence in Linear Regression Models with an Introduction to Spatial Econometrics;L Anselin;Handbook of Applied Economic Statistics,1998
3. An Assesment of Local Government Spending in Spain;F Bastida;Proceedings of the XVII Encuentro de Econom�a P�blica,2010
4. Gasto municipal por el servicio de residuos s�lidos urbanos;G Bel;Revista de Econom�a Aplicada,2006