Measuring & Theorizing Development
- Interpret GDP, GNI per capita, and the Human Development Index
- Apply the Gender Inequality Index and demographic indicators of development
- Compare Rostow’s stages, Wallerstein’s world-systems, and dependency theory
How development is measured
Economists gauge development with several indicators. Gross Domestic Product (GDP) and Gross National Income (GNI) per capita measure economic output per person, but averages hide inequality. The Human Development Index (HDI), from the UN, combines three dimensions — income (GNI per capita), education (schooling), and health (life expectancy) — into one 0-to-1 score, giving a fuller picture than money alone. Development also correlates with lower fertility, lower infant mortality, higher literacy, and a workforce shifted toward tertiary and quaternary jobs.
Gender and the human side of development
Because development is uneven between men and women, the UN adds the Gender Inequality Index (GII), which measures gaps in reproductive health (maternal mortality, adolescent births), empowerment (women in parliament, secondary education), and the labor market (female workforce participation). A high GII signals large inequality that holds back overall development. Related gender concepts — the gender gap in wages and the informal economy where much of women’s work goes uncounted — remind us that raw GDP misses much of the picture.
Two rival theories of development
Rostow’s stages-of-growth model is a modernization theory: every country climbs the same five-step ladder — traditional society, preconditions for takeoff, takeoff, drive to maturity, and high mass consumption — if it invests and adopts modern practices. Wallerstein’s world-systems theory is a structuralist rival: the global economy is one interdependent system split into a wealthy core (which controls capital and high-value production), a poor periphery (which supplies raw materials and cheap labor), and a semi-periphery in between. Dependency theory allies with Wallerstein, arguing periphery poverty is created and maintained by exploitation from the core — so development is not simply a ladder every country can climb alone.
Two nations have identical GDP per capita, but Nation X has far higher life expectancy and school enrollment than Nation Y. Which likely has the higher HDI, and why is HDI often preferred over GDP per capita alone?
- 1.HDI combines three dimensions: income (GNI per capita), education (schooling), and health (life expectancy).
- 2.With income equal, the country scoring higher on the education and health dimensions will score higher overall.
- 3.Nation X has higher life expectancy and school enrollment, so it has the higher HDI despite equal GDP per capita.
- 4.HDI is preferred because it captures well-being — health and education — that a pure income figure like GDP per capita ignores, and it is less distorted by inequality in a single measure.
The Human Development Index (HDI) combines which three dimensions into a single measure of development?
Contrast the two development theories cleanly: Rostow = every country climbs the same 5-stage ladder through modernization (optimistic, single-country focus). Wallerstein = one world system permanently divided into core, semi-periphery, and periphery (structural, interdependent). Dependency theory sides with Wallerstein.
A theorist argues the world is a single economic system in which wealthy core countries dominate and profit from poorer peripheral countries that supply raw materials and cheap labor. This describes:
Answer the 2 checkpoints as you read.
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