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Malthusian Model: Population Changes & Economic Growth

Explore the Malthusian model's assumptions and the effects of population changes on economic growth in the short-run and long-run. Discover the virtues and vices related to fertility, sanitation, violence, and more.

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Malthusian Model: Population Changes & Economic Growth

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Presentation Transcript

  1. Chapter 4 Population and Economic Growth

  2. Population Map

  3. Population Changes from Two Sources • Mortality • Health and Nutrition • Wars • Fertility • Mortality • Income • Access to Contraception

  4. A Description of the Malthusian World (the “natural state” of mankind) “No arts; no letters; no society; and which is worst of all, continual fear of violent death: and the life of man, solitary, poor, nasty, brutish and short.”

  5. Key Assumptions of the Malthusian Model 1) Birth-rate is not affected by income per person. 2) Death-rate is negatively related to income per person. 3) Population is negatively related to income per person.

  6. What happens in the Malthusian Model (both in the short-run and the long-run) when: a) A war kills half of the population? b) A volcanic eruption kills half the population and destroys half the land?

  7. Malthusian Virtues and Vices (as interpreted by Clark 2007) • Virtues • Fertility limitation • Bad sanitation • Violence • Harvest failures • Infanticide • Selfishness • Vices • Fecundity • Cleanliness • Peace • Public granaries • Parental solicitude • Charity

  8. World Fertility Map

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