Concept

Determinants of Investment in Business Cycle Models

In macroeconomic frameworks like the extended multiplier model, firms' investment decisions are primarily determined by two factors: the interest rate and expected future profits. A rise in the interest rate is assumed to reduce investment spending, representing a key channel for monetary policy's influence on aggregate demand. Conversely, greater optimism about future profitability boosts investment, thereby increasing aggregate demand.

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Updated 2026-05-02

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