The New Palgrave Dictionary of Economics

2018 Edition
| Editors: Macmillan Publishers Ltd

Population Dynamics

  • Ronald D. Lee
Reference work entry


Population dynamics are the patterns of change over time in populations. Populations fluctuate in response to fluctuating external forces, or because of the internal structure of the process of demographic renewal. Damped cycles one generation long may result from the interaction of random perturbation and the age distribution of reproduction. So-called Easterlin cycles two generations long, either damped or self-exciting, may arise from the lag between birth and labour force entry when fertility responds sensitively to labour market conditions. Longer-term dynamics arise from the interactions of population growth, capital, endogenous technology, and income.


Easterlin cycles Easterlin hypothesis Fertility Kondratieff cycles Kuznets swings Malthus, T. Malthus’s theory of population Net maternity function Net reproduction rate Population and economic growth Population density Population dynamics Solow, R. Stable population theory Technical progress 
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© Macmillan Publishers Ltd. 2018

Authors and Affiliations

  • Ronald D. Lee
    • 1
  1. 1.