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slides_17_may - Economics of Population World population 16...

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1 Economics of Population World population 16 May 2010 at 2:00pm 7,010,282,782
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Why does population matter? • Is population growth good or bad for the environment? – Bad examples? – Good examples? • Recall vehicle emissions= N*P*M*E – Bad: N increases – Good: P decreases? E decreases? 3
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Will population keep growing forever? Thomas Malthus :18 th century economist He argued that population would grow faster than food supply and we would all starve – Wrote before the IR in Britain – greatly increased productivity Said that there were preventative checks and positive checks on pop. growth – Preventative: birth control, moral restraint – Positive: plague, famine Will we have world where only positive checks stop pop. Growth??? Why/why not??? 5
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The demographic transition 6
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The demographic transition Stage 1: pre-industrial/pre-developed High fertility rate, high death rate Large fluctuations in death rate Stage 2: newly industrializing/developing country
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slides_17_may - Economics of Population World population 16...

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