Economics • Economic BasicsHard
Which of the following describes the 'Multiplier-Accelerator Interaction' model formulated by Paul Samuelson?
A. The combined effect of the Keynesian income multiplier and the accelerator theory of investment in generating business cycle fluctuations.✓ Correct Answer
B. The relationship between money supply growth and nominal interest rates.
C. The dynamic adjustment of wages and prices following an unexpected monetary shock.
D. The long-term economic growth path determined by capital accumulation and population growth.
💡 Solution & Explanation
Paul Samuelson's interaction model merges the income multiplier with the investment accelerator to demonstrate how endogenous business cycle fluctuations persist in capitalist economies. Alternative models focus on monetary aggregates or real business cycle shocks rather than this dual Keynesian mechanism. Dynamic economic modeling provides analytical tools for understanding aggregate output volatility.
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