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      Question

      In the Solow neoclassical growth model, aggregate output

      growth can be decomposed into contributions from capital accumulation, labor input, and a residual component. Empirical growth accounting exercises often find that a significant portion of output growth cannot be directly attributed to increases in capital and labor. In this context, what does the “Solow Residual” primarily capture?
      A The portion of output growth not explained by capital and labor accumulation Correct Answer Incorrect Answer
      B The loss in effective capital stock due to depreciation over time Correct Answer Incorrect Answer
      C The increase in labor supply arising from population growth Correct Answer Incorrect Answer
      D The surplus generated due to exploitation of labor by capital owners Correct Answer Incorrect Answer

      Solution

      The Solow Residual represents the part of output growth not explained by measurable inputs like capital and labor. It is commonly interpreted as Total Factor Productivity (TFP)  It reflects technology, efficiency, and institutional improvements  Thus, it captures how much more output is produced without increasing inputs.

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