Demographics. Final Exam ECON2000 L1 21-Dec-12 8:30-11:30 LTB Cumulative Bring: Writing materials,...
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Transcript of Demographics. Final Exam ECON2000 L1 21-Dec-12 8:30-11:30 LTB Cumulative Bring: Writing materials,...
![Page 1: Demographics. Final Exam ECON2000 L1 21-Dec-12 8:30-11:30 LTB Cumulative Bring: Writing materials, calculator, 1 A4 size piece of paper with handwritten.](https://reader035.fdocuments.in/reader035/viewer/2022072011/56649dea5503460f94ae5c9a/html5/thumbnails/1.jpg)
Demographics
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Final Exam
• ECON2000 L1 21-Dec-12 8:30-11:30 LTB• Cumulative• Bring: Writing materials, calculator, 1 A4 size
piece of paper with handwritten notes on both sides
• Office Hours WR 11-12 Dec. 19-20
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Savings &Current Account
• Gross National Savings: GNI – Consumption (Publ. + Private)
• GDP = Consumption + Gross Capital Formation + Net Exports (Exports – Imports)
• GNI = GDP + NFI• GNS – GCF = NX + NFI = Current Account
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Population Growth
• Abstracting from migration, population growth rates equal crude birth rates less crude death rates.
11
.POP t t t tt
t t
Pop Pop Births Net Migr Deathg
Pop Pop
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The Classic Demographic TransitionModel
Stage 1 Stage 2 Stage 3 Stage 4
Time
Naturalincrease
Birth rate
Death rate
Note: Natural increase is produced from the excess of births over deaths.
Link
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Stages of Demographic Transition
1. Low Population Growth. High Birth Rates, High Death Rates
2. Population Growth Explosion. Medical Advances slow mortality rates, high population growth.
3. Slowing Population Growth. Educational Advances slow birth rates.
4. Low Population Growth. Low Birth Rates, Low Death Rates
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19601963
19661969
19721975
19781981
19841987
19901993
19961999
20022005
20080
5
10
15
20
25
30
35
40
45
50
Korea Demographic Transition
Death rate, crude (per 1,000 people)Birth rate, crude (per 1,000 people)
Axis Title
World Development Indicators
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Japan
1950 1960 1980 2000 2005 2010 2015 2020 2040 2060 2080 21000
5
10
15
20
25
Final Stage of Demographic Transition
Birth RatesDeath Rates
per 1
000
World Population Prospects, the 2010 RevisionVolume II – Demographic Profiles Link
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Aging Population Structure
0 - 4 9-May
14-Oct
15 - 19
20 - 24
25 - 29
30 - 34
35 - 39
40 - 44
45 - 49
50 - 54
55 - 59
60 - 64
65 - 69
70 - 74
75 - 79
80 - 84
85 - 89
90 - 94
95 - 99
100 +
0
2000000
4000000
6000000
8000000
10000000
12000000
Age Distribution Japan
201019901970
Peop
leLink Population by age, sex and urban/rural residence
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Japanese Population
1950 1960 1980 2000 2005 2010 2015 2020 2040 2060 2080 210080
85
90
95
100
105
110
115
120
125
130
Population
Mill
ions
of P
eopl
e
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Fertility Rates
Country 15-19 20-24 25-29 30-34 35-39 40-44 45-49
Japan 1.27 5 36 82 86 38 5 0 1.26795
Total fertility
Age-specific fertility rates
Longer-term ratio of average number of children• Replacement Ratio: 2.1 Developed Economy, 2.3
Developing Economy
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Fertility Rates
1960 1965 1970 1975 1980 1985 1990 1995 2000 2005 20100
1
2
3
4
5
6
7
8
High income: OECDEast Asia & Pacific (all income levels)Arab WorldLatin America & Caribbean (all income levels)Sub-Saharan Africa (all income levels)
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Imbalances
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Life-cycle hypothesis – Households prefer smooth spending growth
Consumption Spending
Earnings
$
Age
Prime Saving Years
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Population Structure and Employment
19561958
19601962
19641966
19681970
19721974
19761978
19801982
19841986
19881990
19921994
19961998
20002002
20042006
20082010
46.00%
47.00%
48.00%
49.00%
50.00%
51.00%
52.00%
53.00%
54.00%
Japan: Employment to Population Ratio
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Implications of Age Structure for Economic Growth
• Temporary high savings and high investment.• Period when investment drops more quickly
than savings: savings glut, global imbalances.• Low interest rates. • Less innovation