Separation of Powers in the European Union's Intertwined System of Government - A Treaty Based Analysis for the Use of Political Scientists and Constitutional Lawyers

Il Politico, Vol. LXXIII, No. 3, pp. 133-179, 2008

47 Pages Posted: 8 May 2009

See all articles by Jacques Ziller

Jacques Ziller

University of Pavia, Department of Political and Social Sciences

Date Written: March 31, 2009

Abstract

Analysing the EU’s System of Government on the basis of the treaties establishing the Community and the Union leads to identifying five basic government functions, which are distributed in a complex system of checks and balances between the EU institutions and between the latter and member states’ institutions. Those five functions may be characterised as legislative function, which evolved over time from rule making to law making, the executive function which consists in implementing common policies, the supervisory function, consisting of judicial review and of oversight of member state’s compliance with their treaty obligations, the function of direction, consisting of policy guidance and programming, and an organic function consisting in institutional development. The new wording of the relevant treaty clauses by the Lisbon treaty clarifies the nature and distribution of these five functions and thus enable us to understand how separation of powers is organised in the EU.

Keywords: European Constitution, European Union, Lisbon Treaty, Separation of Powers, Executive Federalism, Legislative Federalism, Judicial Federalism

Suggested Citation

Ziller, Jacques, Separation of Powers in the European Union's Intertwined System of Government - A Treaty Based Analysis for the Use of Political Scientists and Constitutional Lawyers (March 31, 2009). Il Politico, Vol. LXXIII, No. 3, pp. 133-179, 2008, Available at SSRN: https://ssrn.com/abstract=1398902

Jacques Ziller (Contact Author)

University of Pavia, Department of Political and Social Sciences ( email )

Strada Nuova, 65
Pavia, Pavia 27 100
Italy

HOME PAGE: http://www-3.unipv.it/webdsps/it/docente.php?id=ziller

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