Sebastian Hapka 
 Systemische Mängel in Justizsystemen
 Die Kontextmethode des Europäischen Gerichtshofs als Element einer horizontalen Verfassungsaufsicht 
  
[Systemic Deficiencies in the Justice System. The Context Method of the European Court of Justice as an Element of Horizontal Constitutional Supervision.]
 2025. XXI, 287 pages.    Summary 
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 The European Court of Justice empowers national courts to defend the common values of Art. 2 of the Treaty on European Union. The concept of systemic deficiencies concerning the judiciary of a member state is intended to enable them to assess the situation of the courts in another member state. To this end, the ECJ uses a new decentralized context method.