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This article draws from structurationist and symbolic interactionist sociology, seeking to build a bridge between the realist–liberal and rationalist–reflectivist debates in the field of international relations. In doing so, it argues against the neorealist claim that self-help is given by anarchic structure exogenously to process. It further argues that self-help and power politics do not follow either logically or causally from the anarchic structure of the international system, but are generated by process rather than by structure. There is no logic of anarchy apart from the practices that create and instantiate one particular structure of identities and interests rather than another. Self-help and power politics are institutions, not essential features of anarchy – anarchy is what states make of it. The article explores three ways in which identities and interests are transformed under anarchy: by the institution of sovereignty, by an evolution of cooperation, and by intentional efforts to transform egoistic identities into collective identities.

​​​​​​​​​​​​​​​​​​​​​​This article traces the different paths taken by constructivism in International Relations, from its emergence as a critical social theory in the 1980s, in response to the third debate between positivist rationalists and post-positivist reflectivists, to Alexander Wendt's project to seize a middle ground and to bridge the rationalist–reflectivist epistemological gap. The article, then, examines the intra-debates among conventional and critical constructivists on Went's project, as well as the rise of the new constructivism after Wendt left the constructivist research program. The article explores the Wendtian project's epistemological tensions and demonstrates how such tensions led to a plurality within constructivism: modernist conventional and postmodernist critical (reflectivist). It highlights that Wendt's leaving constructivism and his shift to a quantum approach have not caused constructivism to decline, but instead, it continued to thrive through the efforts of a new generation of constructivists. The article argues that three main developments in International Relations over the past twenty years have contributed to its ongoing thriving: the decline of epistemological polarization among IR theories; the rise of critical realism as a philosophy of science in International Relations, and the emergence of analytical eclecticism.​

This text was fundamental to the crystallization of structuralist theory in international relations. It addresses one of the discipline’s major dilemmas: the dialectic of the relationship between actor and structure. It reveals the shortcomings of the interpretations offered by the prevailing structuralist theories (neorealism and world-system theory), which failed to grasp the mutually constitutive nature of human agents and system structures, reducing the international system either to constraints imposed on actors or to structures generating behavioral patterns. However, by employing the “structuration theory” borrowed from sociology, US political scientist Alexander Want offers an expanded perspective that avoids reducing system structures to state actors (as neorealism does) or their reification in world- system theory. The scientific realist/structuration approach thus investigates the properties and dispositions of state actors and the system structures in which they are embedded, contributing to the reformulation of theoretical debate in the field of international relations, opening up broad horizons for understanding international dynamics and establishing a new research agenda that combines philosophical-scientific analysis with political-historical analysis.

This study analyses the constructivist perspective of security and establishes the constructivist contribution to security studies, particularly in terms of the conventional and critical constructivist approaches, arguing that constructivism has constituted an intellectual turning point. It demonstrates how constructivism, or rather constructivisms, has enriched and developed the concept of security and security studies on three levels. First, it approaches security as socially constructed and intersubjective. Second, it has undertaken a critical revision of major rationalist concepts, notably anarchy and the security dilemma. Third, it has introduced concepts of identity, interests, and norms to the field of security studies. However, there are shortcomings in the constructivist contribution on identity and security, in addition to inter-constructivist disagreements, which have prevented the evolution of a clear theoretical framework, even within critical constructivism, which has made the most innovative contributions to the field. The study concludes that constructivism has not formulated a distinct theory of security. However, its innovative contributions and its role as a theoretical reference point for new approaches to security constitute a constructivist perspective within International Relations. Both critical and non-critical strands of the new security approach have developed security theories grounded in constructivist insights. This constitutes the central theoretical achievement of constructivism in the field of security studies.

The study takes up the topic of the evolution of Hamas' military action from the foundation of the Izz al-Din al-Qassam Brigades between 1987 and 1992, the movement's military wing, and beyond, drawing upon memoirs and testimonies of the movement's political and military leaders in Palestine and on available data regarding military confrontations with the Israeli occupation. The study starts from the assumption that the evolution of Hamas's military action as an active "agent" in the region differs across the different stages of the Palestinian-Israeli conflict on the one hand, and with the development of the movement's political thought and relations with regional and international systems on the other. These stages have been formational of the movement's variable identity, one that has led it to defining its regional interest and role on the basis of military strength. It transformed into a "semi-classical" army in Gaza specifically, after having been a movement of modestly equipped and armed groupings, as it continues to be to this day in the West Bank. This study attempts to monitor this evolution across the successive confrontations with the Israeli occupation in the wars of 2008, 2012 and 2014.

The Arab region offers a rich ground for testing constructivist assumptions, and moving beyond both realism that focuses on material power and liberalism promises linear progress. If international politics is shaped by shared intersubjective meanings, the region's interplay of history, identity, religion, culture, and interests makes it ideal for developing and challenging constructivist approaches.

This review examines complexity theory in international relations, assesses the lessons of complexity theory, and explores why complex thinking is marginalized in international theory.

The success and widespread deployment of artificial intelligence (AI) have raised awareness of the technology's economic, social, and political consequences. Each new step in the development and application of AI is accompanied by speculations about a supposedly imminent but largely fictional artificial general intelligence (AGI) with (super-)human capacities, as seen in the unfolding discourse about capabilities and impact of large language models (LLMs) in the wake of ChatGPT. These far- reaching expectations lead to a discussion on the societal and political impact of AI that is largely dominated by unfocused fears and enthusiasms. In contrast, this article provides a framework for a more focused and productive analysis and discussion of AI's likely impact on one specific social field: democracy. First, it is necessary to be clear about the workings of AI. This means differentiating between what is at present a largely imaginary AGI and narrow artificial intelligence focused on solving specific tasks. This distinction allows for a critical discussion of how AI affects different aspects of democracy, including its effects on the conditions of self-rule and people's opportunities to exercise it, equality, the institution of elections, and competition between democratic and autocratic systems of government. This article shows that the consequences of today's AI are more specific for democracy than broad speculation about AGI capabilities implies. Focusing on these specific aspects will account for actual threats and opportunities and thus allow for better monitoring of AI's impact on democracy in an interdisciplinary effort by computer and social scientists.

The visibility of public health in world politics has increased due to epidemics such as HIV/AIDS, and tensions between public health and international trade, including those related to patents and access to essential medicines. Advocacy for raising the profile of public health on diplomatic agendas raises fundamental theoretical questions about public health: why should public health be higher on global diplomatic agendas? How should the pursuit of better public health globally be structured and implemented? This article explores answers to these questions provided by traditional theory on public health and analyzes the problems the anarchical context of international relations poses for such answers. A major part of this analysis utilizes theories from the discipline of international relations – using realism, institutionalism, liberalism, and social constructivism to illuminate theoretical challenges global health advocacy faces in making public health more important in world politics. These theories help identify a theoretical conundrum faced by public health, and the article considers various ways in which to handle this in light of the desire to increase the role public health plays in international relations.

This study builds on the assumption that any change in the structure of the international system in the foreseeable future cannot be immediately ascribed to the outbreak of the Covid-19 pandemic. However, even if the pandemic is purely incidental and unable to change the existing distribution of power, this does not mean it has not introduced a dialogue within International Relations on the impact of epidemics on the structure of the international system, and their ability to intensify some essential - economic, social, and political - factors that contribute to international system change. International power balances before the outbreak of the pandemic indicate the beginning of change of the international system, as if it has been moving towards multipolarity, particularly with many rising powers, such as China, Russia and the European Union, whose international interests challenge those of the US, especially as the latter persistently impedes any rise of rival powers in the foreseeable future.