geographyalltheway.com - IB Geography: Neo-Malthusian and anti-Malthusian

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geographyalltheway.com - IB Geography: Neo-Malthusian and anti-Malthusian

  1. 1. neo-Malthusianandanti-Malthusian
  2. 2. Lesson TargetTo be able to discuss the twoopposing views (neo-Malthusianand anti-Malthusian) of therelationship between populationsize and resource consumption.
  3. 3. Reverend Thomas Malthus(1766-1834)
  4. 4. Reverend Thomas Malthus(1766-1834)1798: Essays on the Principles ofPopulation Growth
  5. 5. Reverend Thomas Malthus(1766-1834)1798: Essays on the Principles ofPopulation GrowthFinite optimum population size inrelation to food supply
  6. 6. Reverend Thomas Malthus(1766-1834)1798: Essays on the Principles ofPopulation GrowthFinite optimum population size inrelation to food supply“war, famine and disease”
  7. 7. Reverend Thomas Malthus(1766-1834)1798: Essays on the Principles ofPopulation GrowthFinite optimum population size inrelation to food supply“war, famine and disease”Preventive checks: delay in time ofmarriage, abstinence from sex inmarriage > reduce fertility rate
  8. 8. Reverend Thomas Malthus(1766-1834)1798: Essays on the Principles ofPopulation GrowthFinite optimum population size inrelation to food supply“war, famine and disease”Preventive checks: delay in time ofmarriage, abstinence from sex inmarriage > reduce fertility ratePositive checks: lack of food, diseaseand war > increase death rate
  9. 9. Population grows at a exponential rate:1, 2, 4, 8, 16 ....
  10. 10. Population grows at a exponential rate:1, 2, 4, 8, 16 ....Food supply increases at arithmeticrate: 1, 2, 3, 4, 5 ....
  11. 11. neo- 
  12. 12. neo- 1.
  13. 13. neo- 1.a combining form meaning “new,”“recent,” “revived,”“modified,” used inthe formation of compound words:neo-Malthusian
  14. 14. Club of Rome model: 1970
  15. 15. Club of Rome model: 1970aka Limits to Growth model
  16. 16. Club of Rome model: 1970aka Limits to Growth modelFive basic factors:
  17. 17. Club of Rome model: 1970aka Limits to Growth modelFive basic factors: population
  18. 18. Club of Rome model: 1970aka Limits to Growth modelFive basic factors: population agricultural production
  19. 19. Club of Rome model: 1970aka Limits to Growth modelFive basic factors: population agricultural production natural resources
  20. 20. Club of Rome model: 1970aka Limits to Growth modelFive basic factors: population agricultural production natural resources industrial production
  21. 21. Club of Rome model: 1970aka Limits to Growth modelFive basic factors: population agricultural production natural resources industrial production pollution
  22. 22. Club of Rome model: 1970aka Limits to Growth modelFive basic factors: population agricultural production natural resources industrial production pollutionConsider a lily patch doubling in sizeeach day ... it reaches a point when thepond is half covered then ...
  23. 23. Club of Rome model: 1970aka Limits to Growth modelFive basic factors: population agricultural production natural resources industrial production pollutionConsider a lily patch doubling in sizeeach day ... it reaches a point when thepond is half covered then ...Sudden and uncontrollable decline
  24. 24. Exponential growth ofsome factors until thelimited resource baseslows down growth.
  25. 25. Paul Ehrlich, born 1932
  26. 26. Paul Ehrlich, born 1932Biologist and educator at StanfordUniversity
  27. 27. Paul Ehrlich, born 1932Biologist and educator at StanfordUniversity1968: Population Bomb
  28. 28. Paul Ehrlich, born 1932Biologist and educator at StanfordUniversity1968: Population BombThe battle to feed all of humanity isover. In the 1970s hundreds of millionsof people will starve to death in spite ofany crash programs embarked uponnow. At this late date nothing canprevent a substantial increase in theworld death rate ...
  29. 29. Paul Ehrlich, born 1932Biologist and educator at StanfordUniversity1968: Population BombThe battle to feed all of humanity isover. In the 1970s hundreds of millionsof people will starve to death in spite ofany crash programs embarked uponnow. At this late date nothing canprevent a substantial increase in theworld death rate ...Societies must take strong action tocurb population growth in order tomitigate future disasters bothecological and social
  30. 30. Opposing view:anti-Malthusian
  31. 31. Ester Boserup (1910-1999)
  32. 32. Ester Boserup (1910-1999)1965: The Conditions of AgriculturalGrowth: The Economics of AgrarianChange under Population Pressure
  33. 33. Ester Boserup (1910-1999)1965: The Conditions of AgriculturalGrowth: The Economics of AgrarianChange under Population PressurePeople have the resources to increasefood production
  34. 34. Ester Boserup (1910-1999)1965: The Conditions of AgriculturalGrowth: The Economics of AgrarianChange under Population PressurePeople have the resources to increasefood productionKnowledge and technology
  35. 35. Ester Boserup (1910-1999)1965: The Conditions of AgriculturalGrowth: The Economics of AgrarianChange under Population PressurePeople have the resources to increasefood productionKnowledge and technologyIncrease in population stimulates achange in agricultural technique
  36. 36. When population and resource getclose there is the need and motivationto development techniques
  37. 37. Julian Simon (1932-1998)
  38. 38. Julian Simon (1932-1998)Professor of Business Administration -University of Maryland
  39. 39. Julian Simon (1932-1998)Professor of Business Administration -University of Maryland1981: The Ultimate Resource
  40. 40. Julian Simon (1932-1998)Professor of Business Administration -University of Maryland1981: The Ultimate ResourceIncreasing wealth and technologymake more resources available;although supplies may be limitedphysically they may be viewed aseconomically indefinite as oldresources are recycled and newalternatives are developed by themarket
  41. 41. Talk about:Population growth outstrippingresource availability and thuslimiting economic development

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