需給ギャップ
Output Gap / アウトプット・ギャップ
Output Gap tracks actual GDP relative to estimated potential GDP to help teams calibrate demand management and inflation risk while managing the stimulus support versus overheating risk tradeoff. It turns complex signals into a shared decision threshold.
Output Gap is the difference between actual output and an economy’s potential output. It is typically measured by actual GDP relative to estimated potential GDP and is used to calibrate demand management and inflation risk. The concept makes the stimulus support versus overheating risk tradeoff explicit and supports policy or operational thresholds across planning, stress testing, and review cycles. Teams document assumptions, data sources, and update cadence so results remain comparable over time.
Sets guardrails for calibrate demand management and inflation risk by interpreting actual GDP relative to estimated potential GDP under scenario analysis and stress tests. Signals when to adjust strategy because the stimulus support versus overheating risk balance is shifting in current conditions. Aligns stakeholders by turning Output Gap into a shared threshold for approvals and periodic reviews.
- Sets guardrails for calibrate demand management and inflation risk by interpreting actual GDP relative to estimated potential GDP under scenario analysis and stress tests.
- Signals when to adjust strategy because the stimulus support versus overheating risk balance is shifting in current conditions.
- Aligns stakeholders by turning Output Gap into a shared threshold for approvals and periodic reviews.
- Define calculation windows and inputs for Output Gap before comparing periods or peers.
- Track leading indicators that move actual GDP relative to estimated potential GDP so decisions are proactive, not reactive.
- Pair Output Gap with qualitative context to avoid one-number overconfidence.
- Use triggers and escalation paths so calibrate demand management and inflation risk changes happen on time.
- Revisit assumptions when business mix, regulation, or market conditions shift.
Example: A policy team sees a negative gap after a shock and considers support. The team calculates actual GDP relative to estimated potential GDP, compares it to an internal threshold, and discusses the stimulus support versus overheating risk implications. They decide to calibrate demand management and inflation risk with staged actions, document assumptions and data sources, and set a trigger for revisiting the decision. Over the next quarter, they monitor the metric alongside leading indicators and adjust the plan once the trigger is hit.
Compare Output Gap with adjacent concepts before deciding. Output Gap | Current concept | Use when the team needs the primary decision lens Adjacent metric or framework | Supporting lens | Use when the team needs evidence or process detail General vocabulary | Broad explanation | Use only for orientation, not final decision-making
| Metric | Difference | Why read together |
|---|---|---|
| Output Gap | Current concept | Use when the team needs the primary decision lens |
| Adjacent metric or framework | Supporting lens | Use when the team needs evidence or process detail |
| General vocabulary | Broad explanation | Use only for orientation, not final decision-making |
- Output Gap is a fixed target; in practice, thresholds depend on risk tolerance and context.
- Improving Output Gap always means better performance; it can hide costs or tradeoffs.
- One snapshot is enough; trends and volatility often matter more for decisions.
When should I use Output Gap?
Use it when the team needs to decide scope, priority, owner, or trade-off, not when it only needs a short definition.
What makes Output Gap useful in practice?
It becomes useful when it is tied to evidence, a decision owner, and a concrete next operating choice.
What should I avoid?
Avoid using the term as a label without clarifying assumptions, boundaries, and how success will be judged.