Lecture+10 - Population First to edit Click LectureMaster...

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Click to edit Master subtitle style 5/10/10 Population First Lecture
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5/10/10 The Big Questions How fast is population growing? Where is it growing fastest? What should we expect in the future? What determines the rate of population growth? Is rapid population growth a serious problem? What policies can address population
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5/10/10 World Population Growth Throughout History
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5/10/10 Regional Projections
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5/10/10 Where Population Growth Comes From Population Growth = Birth Rate – Mortality Rate Birth rate depends on Proportion of women in childbearing years Fertility rate Over the long run, population growth has been higher in developing
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5/10/10 The Demographic Transition in Developed Countries
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5/10/10 Total Fertility Rates Over Time 1970 2009 Bangladesh 7.0 2.5 Brazil 4.9 2.0 China 5.8 1.6 Ethiopia 5.6 5.3 India 5.8 2.7 Indonesia 5.5 2.5 Mexico 6.5 2.3 Nigeria 6.9 5.7
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5/10/10 Age Structure Rapid population growth means that the population is very young in many developing countries. The proportion under 15 is 44% in Ethiopia 43% in Nigeria 36% in India 32% in Mexico
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5/10/10 Population Pyramids
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5/10/10 Hidden Momentum Because populations are young, population growth will continue long after the fertility rate stabilizes.
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5/10/10 Why Population Growth Might be a Problem The main reason why population growth might be bad for development is that it dilutes the quantity of other inputs per capita Suppose output is Y = AKaL1-a A is a measure of technology or overall economic efficiency; K is capital; L is a a L L K K A A y y ) / ( ) / ( ) / ( 1 2 1 2 1 2 1 2 × =
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This note was uploaded on 05/02/2010 for the course ECON Econ 311 taught by Professor Schnabl during the Spring '10 term at University of Delaware.

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Lecture+10 - Population First to edit Click LectureMaster...

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