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Flashcards · 0455 · Topic 5

Economic development flashcards

20 cards on Topic 5, subtopics 5.1 to 5.4. Pick a subtopic or study them all.

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5.1 Living standards

Real GDP per head
Real GDP divided by population: average output (and income) per person, adjusted for price changes.
Human Development Index (HDI)
A 0-to-1 index combining health (life expectancy), education (years of schooling) and income per head.
Nominal GDP 880 billion, price index 110, population 20 million. Find real GDP per head
Real GDP = 880 ÷ 110 × 100 = 800 billion. Per head = 800 billion ÷ 20 million = 40,000.
Two weaknesses of real GDP per head as a measure of living standards
It is an average that hides inequality; it leaves out unpaid and hidden (informal) activity; it ignores the environment, health and leisure.
Real GDP per head vs HDI: which is better?
HDI is broader (health, education and income), so it shows a rich country is not always developed. Both are averages that ignore how evenly income is shared, so use both plus distribution data.
Real GDP rises 3% and population rises 1%. Find the growth in real GDP per head
1.03 ÷ 1.01 − 1 ≈ 1.98%. If both rose by the same percentage, GDP per head would not change.

5.2 Poverty

Absolute poverty vs relative poverty
Absolute poverty: income too low to buy basic necessities (food, water, shelter). Relative poverty: income far below the typical income of the same society.
Median income is 18,000 and the relative poverty line is 60% of the median. Is a household on 10,500 relatively poor?
Line = 0.6 × 18,000 = 10,800. 10,500 is below it, so yes.
Four causes of poverty
Unemployment; low wages (low skills, weak bargaining power); illness (treatment costs, lost earnings); age (small pensions, dependent children).
Can relative poverty rise during a boom?
Yes, if the incomes of the poor grow more slowly than the median income. Absolute poverty is unlikely to rise in a boom.
Policies to reduce poverty, with one limit each
Growth: gains may go to the rich. Education: costly and slow. State benefits: quick, but cost taxpayers and may weaken work incentives. Progressive tax: may reduce effort. Minimum wage: may cut jobs if set above the market wage.

5.3 Population

Birth rate and death rate
Birth rate: births per 1,000 people per year. Death rate: deaths per 1,000 people per year.
Optimum population
The population that gives the highest output per head. Fewer people is under-population; more is over-population.
Population 5,000,000; births 100,000; deaths 40,000; immigration 5,000; emigration 15,000. Find the total change
Natural change = 100,000 − 40,000 = +60,000. Net migration = 5,000 − 15,000 = −10,000. Total change = +50,000, i.e. 1.0%. New population 5,050,000.
Why are birth rates higher in many low-income countries?
Children work or support parents in old age; high child death rates; limited contraception; less education for women. Higher incomes, women in work and education, and pensions push birth rates down.
Population pyramid: wide base, narrow top vs narrow base, wide top
Wide base, narrow top: high birth rate, lower life expectancy; spending on schools and child health, need for jobs. Narrow base, wide top: low birth rate, long life; pension and healthcare costs, fewer workers per pensioner.

5.4 Differences in economic development between countries

Name six factors behind differences in development between countries
Income; productivity; population growth; size of the primary, secondary and tertiary sectors; saving and investment; education; healthcare.
The low-income cycle
Low income → low saving → low investment → low productivity → low income. Education, healthcare, investment and lower population growth can each help break it.
Why does a large primary sector tend to keep incomes low?
Most workers are in low-value primary production with low productivity, and raw-material prices are volatile, so incomes are low and unstable.
GDP grows 4% and population grows 3%. What happens to output per head?
1.04 ÷ 1.03 − 1 ≈ 0.97% a year. Fast population growth means output per head grows slowly, even when GDP grows quickly.