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Prehistoric shuttle dispersals in a Malthusian economy

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  • Chu, Angus C.

Abstract

Early humans undertook multiple waves of migration out of Africa and back to the continent. We explore prehistoric human migration in a two-region Malthusian growth model. Whether migration occurs depends on the migration cost, relative population size, relative land supply and relative hunting-gathering productivity between regions. Suppose one region is initially uninhabited. Then, a lower migration cost leads to migration and a larger human population. Back migration occurs when hunting-gathering productivity and supply of natural resources in the foreign region decrease relative to the home region, which provides an economic rationale for the multi-directional "shuttle dispersal model" of prehistoric human migration out of and back to Africa.

Suggested Citation

  • Chu, Angus C., 2025. "Prehistoric shuttle dispersals in a Malthusian economy," MPRA Paper 126606, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:126606
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    JEL classification:

    • O15 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Economic Development: Human Resources; Human Development; Income Distribution; Migration
    • O44 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - Environment and Growth
    • Q56 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environment and Development; Environment and Trade; Sustainability; Environmental Accounts and Accounting; Environmental Equity; Population Growth

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