GEOG 1HA3 Lecture Notes - Lecture 7: Sub-Saharan Africa, One-Child Policy, Baby Bonus
28 Sep 2016
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Lecture 7: theories and consequences of population change. Population growth: was around a billion people and in 200 years it increased by 6 billion. Malthusian theory by robert malthus: fertility transition. Population issues: aging issues with an aging society. Thomas robert malthus (1766-1834: an essay on the principle of population (1798, malthus" argument: Malthus wrote a book just before the 1800s (before the population hit one billion) marker. At the time one billion was hugely concerning. His concern was: we can look at the relationship between 2 things: Food supply can only increase in a linear fashion. (we can argue whether it"s near flat or steep) but in either case, it"s still linear: population doesn"t increase in a linear fashion. He understood how pop changes exponentially though he wasn"t alive when the graph became exponential. Food < pop population exceeds food supply (problem). Malthus believes that the world was around time period 2.
