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Foreign policy decision making has been and remains at the core of foreign policy analysis and its enduring contribution to international relations. The adoption of rationalist approaches to foreign policy decision making, predicated on an actor-specific analysis, paved the way for scholarship that sought to unpack the sources of foreign policy through a graduated assessment of differing levels of analysis. The diversity of inputs into the foreign policy process and, as depicted through a rationalist decision-making lens, the centrality of a search for utility and the impulse toward compensation in “trade-offs” between predisposed preferences, plays a critical role in enriching our understanding of how that process operates.
FPA scholars have devoted much of their work to pointing out the many flaws in rationalist depictions of the decision-making process, built on a set of unsustainable assumptions and with limited recognition of distortions underlined in studies drawn from literature on psychology, cognition, and the study of organizations. At the same time, proponents of rational choice have sought to recalibrate the rational approach to decision making to account for these critiques and, in so doing, build a more robust explanatory model of foreign policy.
Carlos Oliva Campos and Gary Prevost
The uniting core of all the Cuban revolutionary government’s unfolding politics toward Latin American and Caribbean countries has been based on three foundational tenets: the staunch defense of a unified perspective that spans national to regional; the recovery of the historic principles of regional integration defended by Simón Bolívar and José Martí, and the unalterable anti-imperialist position of its international relations.
Unlike the enormous negative impacts that the demise of the Union of Soviet Socialist Republics (USSR) and Eastern-European socialism caused Cuba, the new political and geo-economic scene of the post–Cold War turned out to be very favorable for a Cuban government that shifted to redefine its relationships with Latin America and the Caribbean. This was strengthened by the victory of progressive and leftist governments in influential countries such as Brazil, Argentina, and Venezuela. The new regional circumstances have been the most propitious for the development of the integrationist vision historically supported by the Cuban Revolution.
Cuba in the second decade of the new millennium remains as interesting as ever, commanding a place on the world stage much greater than its small size would indicate. Fidel Castro passed away in November 2016 after 10 years of retirement from public life, during which time his brother Raúl assumed the leadership of the country and led Cuba through some very important political and economic changes that are still being played out. In 2011, a long delayed Communist Party congress mandated the scaling back of government employment and the re-creation of a services sector of the economy dominated by private economic activity. These market mechanisms have threatened the island’s vaunted egalitarianism but have moved the economy forward after years of stagnation. In 2013 Raúl declared the political reform of a two-term limit on the presidency and in 2018 Miguel Diaz-Canal, a man in his fifties, assumed the presidency, signaling a shift of political control to a generation born after the revolution triumphed in 1959. The final results of these political and economic reforms, especially in the face of continued hostility from the United States, are not clear, but if they succeed it will not be the first time that Cuba will be an inspiration to those in the world seeking a successful model of social justice.
Scholars have heatedly debated whether and how culture impacts and shapes a state’s foreign and security policy in particular as well as international relations (IR) in general. The cultural approach to the studies of foreign policy has experienced two major waves since the end of the Cold War. We saw a revival of cultural studies in national security and foreign policy with the rise of constructivism in international relations in the 1990s, while into the 2000s, the culture approach focused on terrorism and globalization. Despite its achievement, the cultural approach continues to face theoretical and methodological challenges in conceptualization, measurement, and generalizability. Therefore, the cultural approach to foreign policy needs to work on demarcating the boundary of “cultural variables,” focusing on mid-range theorizing and placing the cultural variables within a context.
Torbjørn L. Knutsen
Statesmen, salesmen, soldiers, and scholars have discussed international relations for hundreds of years—at least since sovereign states consolidated their presence along the North Atlantic rim. The Renaissance saw the rise of such discussions, triggered by gunpowder-based armies in Europe and discoveries of new lands in extra-European regions. The Reformation added arguments about the role of religion in interstate affairs—arguments echoed in peace treaties like those signed in Augsburg (1555) and Westphalia (1648). The Enlightenment brought more systematic efforts to explain the causes of war and the preconditions of peace. Two different arguments were drawn more sharply after the Wars of the Spanish Succession and the peace conference of Utrecht (1715): one argued that international order could be maintained by an equilibrium of power; another claimed that peace could be created through diplomatic cooperation and international law. Both arguments were elaborated during the Napoleonic Wars and informed the peace treaties signed at the Congress of Vienna (1814–1815).
In the wake of World War I, when the academic discipline of international relations (IR) was established—when scholarly institutions were sponsored for research and education about international issues—there existed a rich literature on the causes of war and the preconditions for international peace. It is argued here that this literature has not been managed particularly well. Few IR scholars have mined this literature systematically. New generations of IR scholars have been more preoccupied with current events than with recurrent patterns. They have been more busy with contemporary theories than with systematically arranging and assessing explanations from the past. If IR wants to become a social science, marked by progress and accumulation of knowledge, it is necessary to catalogue and manage its scholarly heritage in more systematic ways.
Lenka Anna Rovná and Jan Rovny
The collapse of communism in late 1989 released the Czechs to freely consider and shape the social and economic structures of their country. The diverse formulations of the contours that a democratic and market competitive Czech Republic should take were closely intertwined with the visions of Europe and the European Union. Two prominent postcommunist politicians, Václav Havel and Václav Klaus, offered two perspectives. While Václav Havel stressed the cultural, socially liberal anchoring represented by European democracy, Václav Klaus initially focused on Europe as a market-liberal economic model. By the time Václav Klaus replaced Václav Havel in the presidential office, Klaus shifted his European rhetoric from economic to sociocultural matters, opposing Europe as a limitation on Czech sovereignty.
The discrete visions proposed by these statesmen are reflected in Czech public opinion, shaped between economic and sociocultural considerations. While Czech public opinion initially viewed the EU in economic terms, this changed around the time of the Czech Republic’s accession to the Union in 2004. By the early 2000s Czechs started to view the EU rather as a sociocultural project. It was also around this time that public support for the Union starts to significantly decline.
The European Union, as a multifaceted organization with an encompassing legal framework, has been both an inspiration and a scarecrow in Czech politics. While for Havel it has provided an imperfect but stable sociocultural expression of liberty and openness, for Klaus it was initially a symbol of free market economics, only to later become a much-opposed damper on Czech national independence. Klaus’s economic view dominated public understanding of the EU in the 1990s; however, the 2000s have seen a shift as the EU comes to be understood as a value-based, socially liberalizing project. While this development coincides with Havel’s vision of the EU, it, paradoxically, has led to increased public opposition to European integration.
Timothy Hellwig and Dani M. Marinova
Connections between the economy and vote are commonly invoked to evaluate political accountability in representative democracies. A principal motivation for studying economic voting lies in its value as a gauge of whether democracy works or not. In recent years, however, researchers have cast doubt on the assertion that economic conditions influence voters’ evaluations of political incumbents.
Criticisms hail from several directions. Some, adopting a cross-national perspective, cite the instability problem as evidence against economic voting’s existence. That is, variance in the economy-vote relationship across different national contexts is sufficiently large so as to undermine claims that the economy registers a systematic effect. Other critics charge that the electorate lacks sufficient knowledge to incorporate economic conditions in their decisions at the polls. Still others remind us not to mistake correlation for causation. They charge that the voters’ perceptions of how well the economy is performing are viewed through a pre-existing partisan lens. All told, these and other reservations cast doubt on the use of economic voting as a means to evaluate accountability and, in turn, democratic performance.
These charges against the fidelity of economic voting require further examination. Rather than join a growing chorus of observers concluding that the economic vote is a chimera, this piece posits that recent critiques should push us to reconceive rather than discredit economic voting. Recent work in psychology and behavioral economics provides a basis for constructive and meaningful reinterpretations of the economy’s influence on voter decisions. These new directions include an emphasis on framing effects—be it on the part of strategic elites or from the media, an emphasis on what voters know about the economy, and a wider consideration of just which “economy” matters to which set of voters. While many in number, each of these new directions advance understanding by embodying deeper conceptions of voters and elected officials.
Alex Mintz and Amnon Sofrin
Key theories of foreign policymaking include: the rational actor model, prospect theory, poliheuristic theory, cybernetic theory, bureaucratic politics, and organizational politics; and, at the group level, groupthink, polythink, and con-div. These theories are based on unique decision rules, including maximizing, satisficing, elimination by aspect, lexicographic, etc. A new, two-group model of foreign policy decision-making includes a decision design group and a decision approval group.
Richard R. Lau
A decision strategy is a set of mental and physical operations that a decision maker uses to reach a choice among two or more alternatives. Once the alternatives have been identified, a decision strategy involves gathering information about at least some of the different alternatives under considerations and making judgments about them. A decision strategy will include a mechanism for selecting the best alternative—for example, select the alternative with the highest probability of success. Decision strategies differ along two primary dimensions: how much information is gathered, and how comparable that information is across alternatives. Four major types of decision strategies include classic rational choice (relatively deep search, equally distributed across alternatives), confirmatory motivated reasoning (relatively deep search, unequally distributed across alternatives), fast and frugal (relatively shallow search, equally distributed across alternatives), and heuristic-based intuitive (shallow search, unequally distributed across alternatives). Although standard rating scales have been developed to help ascertain which strategies a decision maker prefers, the best method for determining which strategy is being employed is to directly observe information gathering while the decision is being made. An important task for future research is to more clearly explicate the situations when different decision strategies perform particularly well or particularly poorly.
Why voters turn out on Election Day has eluded a straightforward explanation. Rational choice theorists have proposed a parsimonious model, but its logical implication is that hardly anyone would vote since their one vote is unlikely to determine the election outcome. Attempts to save the rational choice model incorporate factors like the expressive benefits of voting, yet these modifications seem to be at odds with core assumptions of rational choice theory. Still, some people do weigh the expected costs and benefits of voting and take account of the closeness of the election when deciding whether or not to vote. Many more, though, vote out of a sense of civic duty. In contrast to the calculus of voting model, the civic voluntarism model focuses on the role of resources, political engagement, and to a lesser extent, recruitment in encouraging people to vote. It pays particular attention to the sources of these factors and traces complex paths among them.
There are many other theories of why people vote in elections. Intergenerational transmission and education play central roles in the civic voluntarism models. Studies that link official voting records with census data provide persuasive evidence of the influence of parental turnout. Education is one of the best individual-level predictors of voter turnout, but critics charge that it is simply a proxy for pre-adult experiences within the home. Studies using equally sophisticated designs that mimic the logic of controlled experiments have reached contradictory conclusions about the association between education and turnout. Some of the most innovative work on voter turnout is exploring the role of genetic influences and personality traits, both of which have an element of heritability. This work is in its infancy, but it is likely that many genes shape the predisposition to vote and that they interact in complex ways with environmental influences. Few clear patterns have emerged in the association between personality and turnout. Finally, scholars are beginning to recognize the importance of exploring the connection between health and turnout.
Three successive parts are presented within this article, all intended to raise the visibility and show the utility of classical geopolitics as a deserving and separate international-relations model: (a) a common traditional definition, (b) relevant theories that correspond to that definition, and (c) applications of certain theories that will delve at some depth into three case studies (the Ukrainian shatterbelt, contemporary Turkish geopolitics, and a North American heartland).
The placement of states, regions, and resources, as affecting international relations and foreign policies, defines classical geopolitics. This definition emphasizes the application of spatially composed unbiased theories that should bring insight into foreign-affairs events and policies. Specifically, a “model” contains theories that correspond to its description. A “theory” is a simple sentence of probability, with “A” happening to likely affect “B.” Importantly, models are passive; they merely hold theories. In contrast, theories possess their own titles and perform actively when taken from such models.
Various methodological challenges are presented: (a) combining concepts with theories, (b) estimating probability for testing theories, (c) claiming the “scientific,” (d) accounting for determinism, (e) revealing a dynamic environment for geopolitics, (f) separating realism from geopolitics, and (g) drawing classical geopolitics away from the critical. Certain theories that are placed within the geopolitical model are examined next: (a) heartlands and rimlands, (b) land and sea power, (c) choke points and maritime lines of communication, (d) offshore balancing, (e) the Monroe doctrine, (f) balances of power, (g) checkerboards, (h) shatterbelts, (i) pan-regions, (j) influence spheres, (k) dependency, (l) buffer states, (m) organic borders, (n) imperial thesis, (o) borders/wars, (p) contagion, (q) irredentism, (r) demography, (s) fluvial laws, (t) petro-politics, and (u) catastrophic events in nature. Additional theories apply elsewhere in the article as well.
Of the three case studies, the Ukrainian shatterbelt represents the sole contemporary geopolitical configuration of this type, a regional conflict coupling with a strategic rivalry. Here, partisans of the civil war between the eastern and the western sectors of the country have joined with the Russians against the Europeans and Americans, respectively. Next, Turkey’s pivotal location has afforded it both advantages and disadvantages, a topic discussed at some length earlier in the article. Its “zero-problems” strategy of seeking positive relations with neighbors has now been forced to change tactics, reflective of new forces within and beyond the country. Finally, a North American heartland compares nicely to Halford Mackinder’s earlier Eurasia heartland thesis, with the American perhaps proving more stable, wealthy, and enduring, based in large part on its stronger geopolitical features.
Defining and Operationalizing Context Through a Structural Political Geography for International Relations
Colin Flint and Raymond J. Dezzani
A structural understanding of the contextualized behavior of states is introduced and operationalized. Context is a central theme of the discipline of geography and identifies context specific, rather than universal, social behavior. Social behavior is both defined by and creates contexts in a constant recursive interaction. Context is defined through a geographic perspective on world-systems analysis, and we focus on the behavior of states. States are central actors because, through territorial sovereignty, they are able to define key social relations and economic flows. The idea of context is developed in a way that extends the key International Relations (IR) concepts of milieu and opportunity and willingness.
The recursive interaction between agency and context is conceptualized in a relational way as maneuver, the process by which the aggregate behavior of elites define state-level choices and behaviors that are made by considering the contextual position relative to all other states in the capitalist world-economy. In turn, the decision by any one state changes the behavior of other states so that context and state-level decisions interact and are constantly in flux. The elements of context include the position of a state in the hierarchy of the capitalist world-economy as well as regional and local interstate relations, some of which may display path dependency.
The operationalization of maneuver requires an understanding of states as signaling and learning entities and a set of modeling techniques that identify: (1) the degree of change within the system as a whole—or the degree of stability in the number and identity of states within particular positions in the hierarchy of the capitalist world-economy; (2) the maneuver of particular states—or which states change position (or not) within the hierarchy; and (3) the explanatory power of variables measuring political and economic interstate relations in explaining the maneuver behavior of particular states.
Jon Green, Jonathon Kingzette, and Michael Neblo
Defined expansively as the exchange of politically relevant justifications, political deliberation occurs at many sites in the democratic system. It is also performed by several different types of actors. Here, we review political deliberation based on who is deliberating and what role these deliberations play in making binding decisions. First, ordinary citizens frequently deliberate in informal settings. While these discussions often fail to live up to the standards outlined by deliberative theorists, they typically correlate with other democratic goods, such as increased political participation. Second, there have been several attempts in recent years to construct the conditions necessary for quality deliberation among citizens by organizing small-group discussions in semi-formal settings. Proponents of such discussions argue that they promote a variety of democratic goods, such as political knowledge and better-justified political decisions, and as such should be incorporated into the formal policymaking process. However, critics of these procedural innovations hold that a more deliberative society is unrealistic or, alternatively, that deliberation is not without drawbacks on its own terms. Third, in a limited number of cases, citizens’ deliberations are formally embedded in democratic institutions, serving to advise voters and politicians or directly leading to binding decisions. Finally, political elites deliberate frequently. Opinion leaders attempt to and often succeed in shaping the discourse around issues, while elected officials, bureaucrats, and judges formally deliberate before making almost every binding decision. Surprisingly, though these deliberations happen frequently and likely have substantial effects on policy, they are probably the least studied in the political system, though recent breakthroughs in text analysis offer a path forward to analyzing deliberation among elites more systematically.
All protest campaigns move through cycles of escalation and de-escalation and ultimately demobilize. Some campaigns demobilize quickly as protesters reach their goals. The 2011 Egyptian uprising, when protesters left the streets after they brought down the Mubarak regime, for example, is a case of rapid demobilization. Others, like the 2011 uprising in Bahrain, demobilize over a longer time span before protests come to a complete halt. In Bahrain, the government first cracked down on the opposition by bringing in foreign troops and then continued to repress protesters until the protesters ended the campaign in 2012. Regardless of the length of time it takes for protesters to leave the streets and stop the protests, demobilization is a complex process. Numerous factors, such as severe repression, government concessions, countermobilization of opposition groups, leadership changes, or even unexpected events, can all bring about demobilization. These factors and strategies may occur simultaneously or sequentially, but usually one or a combination of them lead to the demobilization of a protest campaign. Moreover, demobilization is a dynamic process, as it continues to evolve out of the endogenous interactions among governments, challengers, bystanders, and, in some cases, as in Bahrain, external third-party actors.
Even though every protest campaign eventually demobilizes one way or another, the demobilization phase has generally attracted less scholarly attention than the onset and escalation of violent and nonviolent forms of collective action. For a long time, most scholars addressed demobilization indirectly within the context of the repression-dissent nexus as they explored why repression backfires and escalates dissent in some cases, while it succeeds in demobilizing the opposition in others. Nonetheless, factors besides state repression contribute to the demobilization of dissent. In other words, a state’s accommodative tactics, as well as individual, organizational, or even regional and systemic factors that interact with the state’s actions, have the potential to shape when and how political dissent demobilizes. More recently, scholars have begun to examine why and how protest campaigns demobilize by stepping out of the repression-dissent nexus and focusing on a variety of other factors related to organizational structures, regime types, individual-level constraints, and contingent events that affect the trajectory of campaigns. At the same time, recent studies on state repression have also begun to focus more heavily on the different causal mechanisms that explain how a state’s repressive tactics can lead to demobilization. While this new line of research has made significant contributions to our understanding of the demobilization of protests, we are still left with important questions about the demobilization process that have yet to be answered.
Until the end of the 1980s, most observers believed that democratic prospects in Africa were limited, given the low level of economic development, the absence of strong nation-states, and the inexistence of a long history of social and political pluralism. However, beginning in 1989, a wave of popular protests demanding democratic reforms swept the continent. Within a couple of years, virtually all the countries liberalized their political systems. Since then, Africans have shown consistently that they strongly prefer and support democratic rule. At the same time, democratic institutions such as electoral commissions and constitutional courts have taken root on the continent. These developments suggest that the question of the feasibility of democracy in Africa is no longer relevant. Nonetheless, the existence of democratic demands, support, and institutions does not mean that democracy is easy to establish and consolidate. In many African countries, democratic gains are reversible and face several hindering factors, including state weakness, autocratic mindset, unstable and divided civic and political organizations, and widespread identity politics. This is why the level and quality of democracy on the African continent vary dramatically from country to country and from one region to another.
Robert Ralston and Ronald R. Krebs
The field of international relations has long focused on understanding and explaining the causes of war. In contrast, scholars have devoted relatively little attention to war’s consequences. However, scholarly literature on the consequences of violent conflict, including its effects on liberal democracy, has burgeoned and improved in recent decades, since the 1990s.
Existing research shows that security threats, mobilization, and warfare are neither entirely negative nor entirely positive with respect to liberal democracy. On the one hand, in the short run, these pressures erode liberal institutions and values. On the other hand, large-scale mobilization and warfare—both interstate and civil—encourage broader and more intense participation at the individual level and strengthen participation’s structural foundations.
However, despite recent advances, there remains much that we still do not know, which suggests promising avenues for future research. The existing literature has not sufficiently or systematically distinguished among the effects of threat/insecurity, mobilization, and warfare. It has been stronger on empirical findings than on developing the mid-range theories and causal mechanisms that would make sense of those findings. It has been firmer on conflict’s impact on individual attitudes and predilections than on how and when violence reshapes larger political processes and structures. It has had more to say about conflict’s short-run effects than its long-term effects, especially with respect to contestation. The impact of violent conflict on liberal democracy remains a rich soil for future research.
David Ryan and Liam O'Brien
Democracy promotion has been a key aspect of U.S. identity and foreign policy, though Washington also has a long history of supporting non-democratic forms of governance; it has both consolidated democratic regimes and intervened to overthrow democratically elected governments. Democracy promotion is a broad term encompassing different activities, undertaken as part of a nation’s foreign policy, which intend to initiate and foster democratic governance abroad. Democracy promotion efforts may include, among other strategies, “traditional” diplomacy, targeted foreign aid and assistance, and both covert and overt military intervention. While democracy promotion has now become an accepted foreign policy norm among many nations, numerous issues and debates continue to surround its deployment, ranging from granular questions concerning how to best distribute foreign aid up to larger, more fundamental disputes centered on the effectiveness and legitimacy of democracy promotion.
Such issues have a particular relevance to the history of U.S. foreign policy: the meta-narrative of U.S. foreign policy and its grand strategy is axiomatically associated with democracy and with democracy promotion. Indeed, given its self-characterization as a shining “city on a hill,” charges of inconsistency and double-standards frequently attend U.S. efforts at democracy promotion. Certainly, despite the rhetorical positions of many presidents, democracy promotion has never been the driving factor behind U.S. foreign policy but rather one component of a wider picture. The United States has frequently supported authoritarian regimes, undermined democracy, or supported a form of “low-intensity” or limited veneer of democratic practice.
That said, the institutionalization of U.S. democracy promotion has not only set it more firmly on the agenda but also made it a more visible feature of U.S. policy. The democracy promotion efforts that served the Reagan administration’s goals in Latin America—mainly funding quasi-governmental groups that sought to foster opposition to unfriendly governments and strengthen civic society in target countries more generally—have provided a model for the basis of a large democracy promotion industry, providing a genuine substance to U.S. democracy promotion rhetoric in the process. The “industrialization” of democracy promotion, however, has created its own issues; namely an uncritical environment in which the promotion of a relatively shallow form of U.S.–style democracy has been presumed to be best, no matter the individual circumstances and nuances of target countries. The problems formed by such biases, along with a host of other challenges, will likely ensure that U.S. democracy promotion remains a contentious issue for some time to come.
Oda van Cranenburgh
Democracy promotion in Africa became an increasingly important priority for Western donors in the late 1980s, with a growing normative consensus in support of democracy and human rights since that time. In practice, however, democracy promotion policies suffer from some flaws and inconsistencies and the nature of Africa’s hybrid and ambiguous regimes present severe challenges. The available evidence suggests that donor policies often reflect implicit concepts and theories that do not always reflect the reality on the ground. Moreover, since the turn of the millennium competing economic or strategic interests often trump the promotion of democracy and human rights. Significantly, donors do not always operate in the same way. More specifically, a review of recent activity suggests that donor governments tend to use a negative linkage strategy when they set conditions for economic aid and a positive linkage strategy when they support democratic institutions and processes. In both strategies, competitive elections occupy a central place. While this electoral focus entails limitations, the approach is marked by a clear focus and operationalization. By contrast, broader political approaches target human rights and the rule of law and strengthening of political institutions. These ambitious goals are difficult to achieve. Such policies work when they are based on adequate analysis of the specific institutional context, but they often run up against political challenges that are beyond the control of donors. The scholarship on democracy promotion agrees that positive change can be achieved where internal conditions are favorable and when policies take into account the specific political and institutional contexts in African countries. Broader long-term regime change, however, depends primarily on internal conditions, such as social and economic development, and requires donors to go beyond the “easy part” and address specific African contexts and specific institutional problems.
A substantial body of scholarship has considered the impact of regime types on public spending and basic service provision, much of which has implications for education. While some of the theoretical and empirical conclusions from this work are globally applicable, there are also important ways in which the relationship between democracy and education may be influenced by the African context. The most useful theoretical arguments for why democracy may influence public spending, and spending on education in particular, focus on the political incentives generated by multiparty electoral competition. Related but distinct arguments focus on how this may impact in turn on education outcomes, and on why these dynamics may vary because of factors that are particularly pertinent in many African countries. These include variations in the degree of electoral competitiveness and political competition as well as in levels of economic development and ethnic fractionalization. A large body of empirical evidence investigates these various arguments, evaluating the impact of democracy on both education spending and education outcomes. Although evidence for the positive impact of democracy on education is compelling, evidence for this relationship in Africa remains limited and is hampered by limitations to data. In particular, although evidence suggests democracy may have a positive impact on access to education in Africa, there is less evidence for its impact on the quality of education. Future work should continue to address these issues while seeking to investigate sources of heterogeneity in the impact of democracy on education in Africa.
Scholarship on the relationship between domestic institutions and foreign policy is driven by the assumption that a state’s domestic political arrangement can explain important aspects of its foreign policy behavior. Democratic domestic institutions, in particular, are thought to be significant for explaining an important set of outcomes. Research shows, for example, that democracies tend to cooperate with each other; uphold their commitments; make more effective threats; engage in fewer wars with each other (but do fight non-democracies quite frequently); perform better in the wars in which they are involved; and tend to fight wars of shorter duration.
Studying the impact of democratic domestic institutions on foreign policy has developed along two broad lines. The first and most established approach is rooted in the basic distinction between democracies and non-democracies. In this view, democratic institutions constrain leaders in a way that produces distinct democratic foreign policy patterns. This approach has yielded a tremendous amount of research and insight into democratic foreign policy, but also suffers from several important shortcomings. One is that democracy tends to be correlated with a host of other variables, making it difficult to specify what exactly it is about democracy that explains certain foreign policy outcomes. A second and related critique of this approach is that it tends to treat democracy uniformly when in fact there is often great variation in democratic domestic institutions across cases.
A second and more recent approach focuses on the differences among democracies and seeks to explain how this variation, in turn, creates variation in foreign policy behavior. Democracies differ in terms of their underlying institutional arrangements in a variety of ways, including whether they have presidential or parliamentary systems, autonomous or constrained executives, and open or closed institutions to modulate the flow of information between leaders and citizens, among others. Even within a country, there can be a different set of institutional constraints on democratic leaders depending on the given foreign policy instrument they seek to employ. Studying these variations and their impact on policy processes and outcomes provides great promise for further unpacking the relationship between domestic democratic institutions and foreign policy.