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This chapter deals with normative international relations theory, a field of study that relies on a variety of approaches and theories to explore moral expectations, decisions, and dilemmas in world politics. Normative IR theory has adopted—and adapted—conceptual categories such as communitarianism and cosmopolitanism from political theory. It also borrows from moral philosophy to designate different types of ethical reasoning, such as deontology and consequentialism. The chapter begins with an overview of the history, influences, and some of the categories that normative IR theory brings to the study of international relations. It then examines the ways in which normative IR theory engages with the hidden ethical assumptions of a range of IR approaches. The case study considers the ethics of war in the Iraq war.

This chapter deals with recent theoretical work on the European Union. Three broad analytical pathways are discussed: comparative political science; a revitalized international relations (IR); and ‘critical theories’. This chapter discusses in turn the contribution to EU studies of comparative political science in general and new institutionalist political science, and in particular the emergence of social constructivist approaches to the EU, IR’s contribution to the theorization of EU external action, together with approaches from the subfield of international political economy (IPE), and a variety of critical theoretical readings of the EU. The chapter also explores how IR theories might be brought back into EU studies. The purpose of the chapter is to show how the EU still raises significant questions about the nature of authority, statehood, and the organization of the international system. These questions are doubly significant in the present period of crisis, where the issue of ‘disintegration’ comes to the fore.

This chapter deals with recent theoretical work on the European Union. Three broad analytical pathways that depart from the classical debate are discussed in this chapter: comparative political science; a revitalized international relations (IR); and ‘critical theories’. Two additional pathways—governance and normative political theory—are considered in other chapters (see Chapters 7 and 9). This chapter discusses in turn the contribution to EU studies of comparative political science in general and new institutionalist political science, and in particular the emergence of social constructivist approaches to the EU, IR’s contribution to the theorization of EU external action, together with approaches from the subfield of international political economy (IPE), and a variety of critical theoretical readings of the EU. The chapter also explores how IR theories might be brought back into EU studies. The purpose of the chapter is to show how the EU still raises significant questions about the nature of authority, statehood, and the organization of the international system. These questions are doubly significant in the present period of crisis, where the issue of ‘disintegration’ comes to the fore.