Definition

Financial Accelerator

The financial accelerator is a key economic mechanism that amplifies economic shocks through the combined behavior of banks and households. It is particularly useful for understanding how a fall in house prices can be magnified in a destabilizing feedback process. This occurs as households face tighter credit constraints due to lower collateral values, reducing their spending, while banks may be forced into fire sales of assets, further depressing prices. This interplay creates a self-reinforcing downward spiral. The mechanism also operates in reverse, amplifying booms.

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Updated 2026-05-02

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