ROBERT LEONARDI is Jean Monnet Senior Lecturer in the European Institute Department at the London School of Economics, UK

• Preface; R.Prodi Cohesion and Regional Policies in the European Union The CSF Revolution: The Origins and Structure of EU Cohesion Policy Cohesion Policy as Learning: The Planning Process and Administrative Responses Have Regions Converged? Sigma and Beta Convergence in Objective 1 and Other EU Regions between 1988 and 1999 Is the Italian Mezzogiorno in line with the other Objective 1 Regions in Europe? The Challenge of Enlargement and Cohesion in the Ten New Member States Conclusions: The Constitutionalization of the European Union and the Future of Cohesion Policy