A Single European Market with 25 Different Corporate Taxes? Fiscal Disparity in Spain with Regard to its Future in the European Union - Intertax View A Single European Market with 25 Different Corporate Taxes? Fiscal Disparity in Spain with Regard to its Future in the European Union by Marta Bengoa Calvo,Ana Carrera Poncela - Intertax A Single European Market with 25 Different Corporate Taxes? Fiscal Disparity in Spain with Regard to its Future in the European Union Marta Bengoa Calvo Ana Carrera Poncela 35 2 Intertax