Why some countries are richer than others Cambridge IGCSE Economics (9–1) revision

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In plain words

The gap between the richest and poorest countries is vast: income per person can be fifty times higher in one than in another. The causes feed on each other, which is what makes the gap hard to close.

Low income means little saving, little saving means little investment, and little investment means income stays low.

5 things to know

  1. Developing countries tend to have lower income per head, lower productivity, faster population growth, and a large share of workers in the primary sector.
  2. Low saving leads to low investment in machinery and infrastructure, so productivity and incomes stay low. This is the cycle of poverty.
  3. Education: fewer children finish school, so the workforce is less skilled. Healthcare: life expectancy is lower, and illness keeps people from working.
  4. Natural resources help only if they are used well. Depending on one primary export is risky, because its price can swing widely.
  5. Consequences: big differences in living standards, migration of workers to richer countries, and reliance on foreign aid, loans and investment.

Tips and tricks

  • Link the factors in a chain when you explain them: low income, so low saving, so low investment, so low productivity, so low income again.
  • Use the terms "developed" and "developing" with a reason: name the indicator, such as income per head or share of jobs in the primary sector.
5 questions, about 2 minutes.

It lands in your notebook with its questions as flashcards.

Why some countries are richer than others: 5 questions and answers

These are the quiz’s questions. Do the quiz first, then come back here for the ones that got you.

  1. Which is typical of a developing country?
    • a large share of workers in the primary sector (the answer)
    • a very high income per head
    • very high saving and investment
    • a falling population

    Many people still work in farming.

  2. Why is productivity often low in developing countries?
    • Workers do not want to work.
    • There is less capital equipment and less education and training. (the answer)
    • There are too many machines.
    • Wages are too high.

    Workers with few tools and little training produce less each.

  3. What is the cycle of poverty?
    • prices rising year after year
    • low incomes leading to low saving and investment, which keep incomes low (the answer)
    • unemployment rising in a recession
    • people moving between jobs

    Each problem causes the next, and the last causes the first again.

  4. Which would most help a developing country to raise its productivity?
    • less spending on schools
    • more investment in infrastructure and machinery (the answer)
    • a higher birth rate
    • fewer exports

    Better roads, power and equipment let workers produce more.

  5. Why may poor healthcare slow a country's development?
    • It raises the retirement age.
    • Sick workers are less productive and may be unable to work. (the answer)
    • It increases saving.
    • It lowers the birth rate.

    A healthy workforce produces more.

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