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Harrod-Domar Formula for Two Sector Growth Models

Author

Listed:
  • V.K.Chetty
  • Basanta K Pradhan

    (Institute of Economic Growth, Delhi)

Abstract

In this paper the much celebrated Harrod-Domar model is extended to include a non-consumable capital good. Here, growth rate of capital is directly proportional to saving rate and inversely proportional to weighted harmonic mean of capital output ratios of two sectors. Moreover, our formula includes differential prices for the two goods. Further, here, flexible prices or variable capital output ratio for consumer goods sector help to balance savings and investments avoiding the famed knife-edge problem. Our model can provide explanations for possible relationships between wealth income ratios on one side, and interest rate and rent on the other, and help to confirm the possibilities of Piketty’s well-known empirical observations.

Suggested Citation

  • V.K.Chetty & Basanta K Pradhan, 2020. "Harrod-Domar Formula for Two Sector Growth Models," IEG Working Papers 413, Institute of Economic Growth.
    • Handle: RePEc:awe:wpaper:413
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    References listed on IDEAS

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    1. H. Uzawa, 1971. "On a Two-Sector Model of Economic Growth," Palgrave Macmillan Books, in: F. H. Hahn (ed.), Readings in the Theory of Growth, chapter 3, pages 19-26, Palgrave Macmillan.
    2. Robert M. Solow, 1956. "A Contribution to the Theory of Economic Growth," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 70(1), pages 65-94.
    3. Hirofumi Uzawa, 1964. "Optimal Growth in a Two-Sector Model of Capital Accumulation," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 31(1), pages 1-24.
    4. T. W. Swan, 1956. "ECONOMIC GROWTH and CAPITAL ACCUMULATION," The Economic Record, The Economic Society of Australia, vol. 32(2), pages 334-361, November.
    5. Robert Solow, 1953. "A Note on the Price Level and Interest Rate in a Growth Model," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 21(1), pages 74-79.
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    More about this item

    JEL classification:

    • E10 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - General
    • E22 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Investment; Capital; Intangible Capital; Capacity
    • O41 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - One, Two, and Multisector Growth Models

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