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MENTAL MODEL · M3494

Fiscal Deficit

Fiscal Deficit
BusinessHigh supportPublic Economics
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

A situation where government expenditures exceed fiscal revenues, reflecting the scale of government borrowing and financing. Moderate fiscal deficits can play a counter-cyclical adjustment role, but persistent structural deficits may lead to debt accumulation and fiscal unsustainability.

SCAFFOLDING EFFECT

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Fiscal policy analysis. It provides basic tools for assessing the fiscal policy stance and sustainability. In fiscal policy formulation, it supports ensuring fiscal sustainability by distinguishing cyclical deficits from structural deficits, setting reasonable deficit targets, and establishing fiscal rules.

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When government expenditures exceed revenues, a deficit occurs, requiring borrowing to cover the gap; moderate deficits can stabilize growth, while prolonged high deficits accumulate debt, squeeze future fiscal space, and affect inflation and interest rates.

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Source support: Explicit

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