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Human capital-based growth with depopulation and class-size effects: theory and empirics

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  • Bucci, Alberto
  • Carbonari, Lorenzo
  • Trivin, Pedro
  • Trovato, Giovanni

Abstract

Building on Lucas (1988) and Boucekkine et al. (2013), we develop a model in which the impact of population dynamics on per capita GDP and human capital depends on the balance of intertemporal altruism effects toward future generations and class-size effects on an individual’s education investment. We show that there is a critical level of the class-size effects that determines whether a decline in population growth will lead to a decrease or an increase in a country’s long-run growth rate of real per capita income. We take the model to OECD data, using a semi-parametric technique. This allows us to classify countries into groups based on their long-term growth trajectories, revealing patterns not captured by previous studies on the topic.

Suggested Citation

  • Bucci, Alberto & Carbonari, Lorenzo & Trivin, Pedro & Trovato, Giovanni, 2025. "Human capital-based growth with depopulation and class-size effects: theory and empirics," Macroeconomic Dynamics, Cambridge University Press, vol. 29, pages 1-1, January.
    • Handle: RePEc:cup:macdyn:v:29:y:2025:i::p:-_90
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    JEL classification:

    • J11 - Labor and Demographic Economics - - Demographic Economics - - - Demographic Trends, Macroeconomic Effects, and Forecasts
    • O11 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Macroeconomic Analyses of Economic Development
    • O41 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - One, Two, and Multisector Growth Models

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