CSS Current Affairs | Buck-Passing: Let Others Counter Threat
Buck-Passing is an International Relations theory that argues that states avoid directly confronting a powerful threat by shifting the responsibility of countering it onto other states. It is an important concept in International Relations, Political Science, and CSS Current Affairs, particularly for understanding how states manage threats, preserve their own resources, and pursue security through strategic inaction.

Introduction
The phrase “passing the buck” originated in 19th-century American poker games, where a marker, often a buckhorn knife, was passed to indicate whose turn it was to deal or anchor a bet. A player who wished to avoid this responsibility passed the marker to the next person. In modern political science, economics, and international relations (IR), this colloquialism has evolved into a formalized structural strategy.
In systemic politics, buck-passing is a strategic behavior where a state attempts to shift the responsibility, costs, and risks of confronting or deterring an aggressive threat onto a third-party state, remaining on the sidelines while others handle the crisis.
Scholarly Definitions
In International relations, buck-passing reflects how a state identifies an aggressive, revisionist power but deliberately steps aside, intending for a third-party state, the designated “buck-catcher”, to absorb the massive financial, political, and human costs of deterrence or active warfare.
According to John Mearsheimer:
“A buck-passer attempts to get another state to bear the burden of deterring or fighting an aggressor while it remains on the sidelines.”
According to Thomas J. Christensen and Jack Snyder:
“[Buck-passing is] free riding on the balancing efforts of others… a strategy where a state seeks to shift the responsibility for a necessary but costly action to someone else.”
Meaning of the Term
At its core, buck-passing means strategic evasion of costs. When a state recognizes a rising threat or an aggressive peer competitor, it faces an immediate dilemma: spend blood and treasure to counter the threat, or preserve domestic resources and let someone else do it.
Choosing to buck-pass allows a state to:
Avoid the economic and human costs of warfare or heavy militarization.
Preserve relative power while potential rivals and allies deplete their own resources fighting or deterring each other.
Maintain a flexible position to step in only when the balance has already shifted in a favorable direction.
Key Characteristics
Successful or attempted buck-passing strategies typically manifest through distinct structural characteristics:
Sidelining and Inaction: The buck-passer deliberately maintains a low military profile or diplomatic distance from the immediate crisis, avoiding direct defensive commitments.
Cultivation of Good Relations with the Aggressor: To prevent the threat from turning toward them prematurely, buck-passers often maintain functional or defensive diplomatic channels with the rogue or revisionist state.
Facilitating Alternative Alliances: The buck-passer actively encourages or relies on the formation of defensive pacts between other states (the “buck-catchers”) and the aggressor.
Perception of Defensive Advantage: States are highly prone to pass the buck when the military technology or geography of the era favors defense over offense, leading them to believe that the buck-catcher can successfully hold off the aggressor without immediate assistance.

Historical Context and Evolution
Historically, balance-of-power theory primarily focused on direct balancing. However, modern structural realism integrated buck-passing as a primary survival mechanism in multipolar systems.
The Interwar Period and World War II
The historical illustration of buck-passing occurred during the 1930s. Faced with the rapid expansion and aggression of Nazi Germany, the United Kingdom and France repeatedly passed the buck to each other, and collectively toward the Soviet Union, hoping alternative fronts would absorb the German military machine. Simultaneously, the Soviet Union passed the buck back to the Western democracies via the Molotov-Ribbentrop Pact of 1939. This collective failure to balance early enabled Germany to conquer continental Europe piecemeal.
Post-Cold War and Japan’s Foreign Policy
During the late 20th century, Japan’s heavily restrained military posture, often attributed strictly to pacifist norms, was re-examined by realists as a highly successful form of buck-passing. By relying completely on the United States security umbrella for its primary defense, Japan minimized its defense spending, avoided regional security dilemmas, and channeled its national wealth entirely into economic growth.
Current Relevance of the Term
The United States and Western Europe (The Ukraine Conflict)
The Dynamic: Amid the ongoing Russia-Ukraine war, sections of the U.S. political landscape actively advocate for strategic buck-passing.
The Application: Washington pressures wealthy European North Atlantic Treaty Organization (NATO) allies to assume the primary financial and military burden of securing Eastern Europe, allowing the U.S. to pivot its core strategic focus and military assets toward the Indo-Pacific.
East Asian Security (The Taiwan Strait & South China Sea)
The Dynamic: As China increases its defense spending and military presence around Taiwan, local powers must choose between active balancing and cost-shifting.
The Application: South Korea explicitly practices a form of economic and diplomatic buck-passing. It avoids direct military alignment against Beijing, shifting the costly burden of regional containment entirely onto the U.S. and Japan.
Middle Eastern Proxy Conflicts
The Dynamic: Major regional powers seek to limit the direct domestic costs of prolonged, multi-front stability management.
The Application: Major Gulf states have withdrawn frontline troops from active conflict zones, shifting the direct enforcement and security burdens onto local proxy forces and international maritime coalitions.
Comparative Analysis with Other Related Forms
To understand buck-passing fully, it must be contrasted with alternative alliance and security behaviors:
| Strategic Concept | Primary Objective | Relationship to the Threat / Dominant Power | Risk Level |
| Buck-Passing | Shifting the cost of balancing onto another state | Relative isolation, waiting for other states to counter the threat | Variable (Fails if the threat defeats the proxy) |
| Bandwagoning | Threat appeasement or profit sharing | Direct alignment, acceptance of subordinate status | High (Vulnerable to abandonment or exploitation) |
| Balancing | National security preservation via deterrence | Direct opposition, coalition building against the threat | Moderate (Requires sustained material investment) |
| Hedging | Risk diversification under structural uncertainty | Mixed behavior: soft balancing combined with soft bandwagoning | Low (Avoids taking a definitive side) |
Conclusion
Buck-passing is a rational, albeit highly dangerous, byproduct of an anarchic international system. While structural realists note that it is an incredibly effective way for an individual state to preserve its relative power, it introduces massive systemic instability. When multiple states simultaneously attempt to pass the buck, defensive coordination breaks down, creating security vacuums that aggressive, revisionist powers can easily exploit.
Takeaways
- Defensive Cost-Saving: Buck-passing is primarily driven by a state’s desire to survive while spending the least amount of domestic blood and treasure.
- Multipolar Phenomena: The strategy is most prevalent in multipolar systems where alternative states exist to catch the buck, whereas bipolar systems force superpowers to balance directly.
- The Ultimate Risk: The primary hazard of buck-passing is that the chosen “buck-catcher” might fail, leaving the buck-passer to face a vastly strengthened, victorious aggressor completely alone.
References
- Chain gangs and passed bucks: predicting alliance patterns in multipolarity.
- Pacifism or Passing the Buck? Testing Theories of Japanese Security Policy.
- The UAE’s foreign policymaking in Yemen: from bandwagoning to buck-passing.
- Bandwagoning for profit: Bringing the revisionist state back in.
- National Interest Shapes a Country’s Foreign PolicyBalance of Power: A Strategy to Prevent Global Dominance
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