This book investigates the underlying domestic political mechanisms that drive state noncompliance with European Union directives despite the region's highly legalized integration framework. Scott Nicholas Siegel, an expert in international relations and European politics, constructs a theoretical model to explain why member states fail to adhere to supranational mandates. By analyzing the intersection of national political traditions and economic policy, the author argues that domestic institutional constraints often override international legal obligations. The study utilizes a comparative approach to demonstrate how internal political pressures dictate the varying levels of compliance observed across different member states.

Scholars and political scientists identify this work as a rigorous contribution to the study of European integration and international law. Readers frequently note the academic density of the prose and the precision of the author's comparative methodology.