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Quantifying Yeast Chronological Life Span by Outgrowth of Aged Cells

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Population aging and endogenous economic growth.

Klaus Prettner¹

¹Center for Population and Development Studies, Harvard University, 9 Bow Street, Cambridge, MA 02138 USA ; Institute for International Economics, University of Göttingen, Platz der Göttinger Sieben 3, 37073 Göttingen, Germany.

Journal of Population Economics

|April 12, 2013

Summary

Population aging positively impacts economic growth through increased longevity, outweighing fertility declines in endogenous growth models. This research explores how demographic shifts influence long-run economic growth perspectives.

Keywords:

Demographic change Long-run economic growth Technological progress

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Area of Science:

Demographics
Economic Growth Theory

Background:

Population aging is a significant global trend.
Understanding its economic implications is crucial for long-term policy.

Purpose of the Study:

To analyze the effects of population aging on long-run economic growth.
To differentiate impacts within endogenous and semi-endogenous growth models.

Main Methods:

Utilizing a theoretical framework incorporating endogenous and semi-endogenous growth models.
Analyzing the distinct impacts of longevity and fertility changes.

Main Results:

Increased longevity positively affects per capita output growth.
Decreased fertility negatively affects per capita output growth.
In endogenous models, longevity's positive effect surpasses fertility's negative effect, fostering growth.

Conclusions:

Population aging promotes long-run growth within the endogenous growth framework.
The effect of population aging in semi-endogenous models is contingent on relative fertility and mortality changes.