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    Question

    The Harrod-Domar Growth Model emphasizes the importance

    of saving and capital accumulation for economic growth. The model concludes that the rate of output growth (g) is determined by:
    A The rate of technological progress and the rate of depreciation. Correct Answer Incorrect Answer
    B The rate of saving (s) divided by the capital-output ratio (c). Correct Answer Incorrect Answer
    C The rate of saving (s) multiplied by the capital-output ratio (c). Correct Answer Incorrect Answer
    D The rate of population growth plus the rate of technological progress. Correct Answer Incorrect Answer

    Solution

    Solution: The Harrod-Domar model is fundamentally an identity derived from the relationship between saving, investment, and capital: · Growth Rate (g)=Capital-Output Ratio (c)Rate of Saving (s) · Mathematically, I=sY and I=ΔK. Growth in output (ΔY/Y) is proportional to capital accumulation (ΔK/K). Since K/Y=c (capital-output ratio is constant), ΔY/Y=(ΔK/K)≈(ΔY/ΔK)×(ΔK/Y)=(1/c)×(sY/Y)=s/c.

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