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Natural Disasters in a Two-Sector Model of Endogenous Growth

Author

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  • Masako Ikefuji

    (Graduate School of Economics, Osaka University)

  • Ryo Horii

    (Graduate School of Economics, Osaka University)

Abstract

This paper studies sustainability of economic growth considering the risk of natural disasters caused by pollution in an endogenous growth model with physical and human capital accumulation. We consider an environmental tax policy, and show that economic growth is sustainable only if the tax rate on the polluting input is increased over time and that the long-term rate of economic growth follows an inverted V-shaped curve relative to the growth rate of the environmental tax. The social welfare is maximized under a positive steadystate growth in which faster accumulation of human capital compensates the productivity loss due to declining use of the polluting input.

Suggested Citation

  • Masako Ikefuji & Ryo Horii, 2006. "Natural Disasters in a Two-Sector Model of Endogenous Growth," Discussion Papers in Economics and Business 06-13, Osaka University, Graduate School of Economics.
    • Handle: RePEc:osk:wpaper:0613
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    JEL classification:

    • O41 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - One, Two, and Multisector Growth Models
    • O13 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Agriculture; Natural Resources; Environment; Other Primary Products
    • E22 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Investment; Capital; Intangible Capital; Capacity

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