In international relations, credibility is the perceived likelihood that a leader or a state follows through on threats and promises that have been made. [1] Credibility is a key component of coercion (i.e. compellence and deterrence), as well as the functioning of military alliances. [2] Credibility is related to concepts such as reputation (how past behavior shapes perceptions of an actor's tendencies) [3] [4] and resolve (the willingness to stand firm while incurring costs). [5] [6] Reputation for resolve may be a key component of credibility, but credibility is also highly context-dependent. [7]
Credibility may be determined through assessments of power, [8] past reputation, [9] [10] current interests, [8] and signaling. [11] Situational and dispositional factors may affect perceptions of credibility. [3] [5] Misperception and miscommunication can lead to erroneous assessments of credibility. [12] Assessments of reputation may be linked to specific leaders, [13] [14] as well as states. Leaders and diplomats generally consider the credibility of their state to be of paramount importance. [8] [15]
Much of the scholarship on coercion focuses on the credibility of coercive threats as a key component of the success of coercive diplomacy. [16] [17] [18] [19] [20] [21] According to Thomas Schelling, a reputation for resolve "is one of the few things worth fighting over." [22]
Successful coercion frequently revolves around a demonstration of capabilities and resolve, both of which enhance the credibility of attempts to coerce others. According to Richard Ned Lebow, a credible threat entails: [21]
Robert Art identifies 8 prerequisites for a successful compellence strategy: [23]
Matthew Fuhrmann and Todd Sechser argue that there are three main components to credibility in coercion: [24]
According to Anne Sartori, states rarely seek to obtain goals through bluffing, because doing so undermines their reputation in future crises. [25] Survey experiment data from Barbara Walter and Dustin Tingley confirm the findings of Sartori's study, as they find that people "invest more heavily in reputation building if they believe a game will be repeated many times." [26]
Credibility (or reputation) refers to the degree to which an actor is expected to uphold their commitments based on past behavior. [27] [28] In terms of credible coercive diplomacy, credibility entails that defiance will be met with punishment, and that compliance will be met with restraint. [29] [17] One of the main problems in coercive diplomacy is that it is hard to credibly signal that compliance will not lead to punishment. [17] [30] [29] [31] Some scholars have argued that when great powers increase their power, their credibility to engage in restraint decreases, which may lead weaker adversaries to be less likely to comply with great power threats. [17] [32] [33]
To enhance the credibility of threats, some scholars argue that audience costs are effective in doing so. [34] [35] [36] Other scholars dispute that audience costs enhance credibility. [37] [38]
Some scholars question whether credibility or reputation matters in international disputes. [8] [39] [40]
States may be motivated to pay high costs in order to maintain reputations for resolve. They are most likely to do so when they expect that they will face future challenges where they will benefit from having reputations for resolve. [41]
Some scholarship suggests that the credibility of threats is enhanced by costly signaling, which means that the threats themselves incur costs, which signify that the threats are genuine. [42] Other scholars argue that sunk-cost signaling is exceedingly rare in practice, as states prefer to signal credibility and resolve in other ways. [43]
A substantial literature points to audience costs as a meaningful form of signaling. An audience cost is the domestic political cost that a leader incurs from his or her constituency if they escalate a foreign policy crisis and are then seen as backing down. [44] The implication of audience costs is that threats issued by leaders (who incur audience costs) against other states are more likely to be seen as credible and thus lead those states to meet the demands of the leader making threats. [45] [46] The term was popularized in a 1994 academic article by James Fearon where he argued that democracies carry greater audience costs than authoritarian states, which makes them better at signaling their intentions in interstate disputes. [47] [48] [49] It is one of the mechanisms for democratic peace theory.
The functioning of military alliances revolves around perceptions of credibility: whether an ally will honor alliance commitments. Alliances that are perceived to be unreliable are more likely to end up in war. [50] Scholars have argued that past reputation shapes whether alliance commitments are perceived as credible. [10] [51] When allies are perceived not to be reliable, allies may make up for it by increasing the number of allies [52] and include "costly reliability-enhancing provisions such as greater precision in when alliance obligations apply, issue linkage, and increased institutionalization." [53] States with a reputation for upholding alliance commitments are more likely to be involved in future alliances. [54]
States may be more likely to honor alliance commitments due to costly signaling, [55] including audience costs. [56] Some scholars argue that indiscriminate alliance loyalty is not desirable (as that could raise the risk of conflict and entrapment), [57] [58] [59] and that hawkishness may also not be desirable. [60]
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James D. Fearon is the Theodore and Francis Geballe Professor of Political Science at Stanford University; he is known for his work on the theory of civil wars, international bargaining, war's inefficiency puzzle, audience costs, and ethnic constructivism. According to a 2011 survey of International Relations scholars, Fearon is among the most influential International Relations scholars of the last twenty years. His 1995 article "Rationalist Explanations for War" is the most assigned journal article in International Relations graduate training at U.S. universities.
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An audience cost, in international relations theory, is the domestic political cost that leaders incur from their constituency if they escalate a foreign policy crisis and are then seen as backing down. It is considered to be one of the potential mechanisms for democratic peace theory. It is associated with rational choice scholarship in international relations.
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Compellence is a form of coercion that attempts to get an actor to change its behavior through threats to use force or the actual use of limited force. Compellence can be more clearly described as "a political-diplomatic strategy that aims to influence an adversary's will or incentive structure. It is a strategy that combines threats of force, and, if necessary, the limited and selective use of force in discrete and controlled increments, in a bargaining strategy that includes positive inducements. The aim is to induce an adversary to comply with one's demands, or to negotiate the most favorable compromise possible, while simultaneously managing the crisis to prevent unwanted military escalation."
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Rational choice is a prominent framework in international relations scholarship. Rational choice is not a substantive theory of international politics, but rather a methodological approach that focuses on certain types of social explanation for phenomena. In that sense, it is similar to constructivism, and differs from liberalism and realism, which are substantive theories of world politics. Rationalist analyses have been used to substantiate realist theories, as well as liberal theories of international relations.
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In international relations, coercion refers to the imposition of costs by a state on other states and non-state actors to prevent them from taking an action (deterrence) or to compel them to take an action (compellence). Coercion frequently takes the form of threats or the use of limited military force. It is commonly seen as analytically distinct from persuasion, brute force, or full-on war.
I'm drawing here on arguments about what the IR literature usually calls 'audience costs,' which are domestic political costs a leader may pay for escalating an international dispute, or for making implicit or explicit threats, and then backing down or not following through.
The seminal article is Fearon 1994.