(a) Describe the major components used in Human Development Index (HDI) by the United Nations Development Programme (UNDP). Write down the methodological limitations of this index. Suggest appropriate method to eliminate these limitations. (10+5+5=20

Question

(a) Describe the major components used in Human Development Index (HDI) by the United Nations Development Programme (UNDP). Write down the methodological limitations of this index. Suggest appropriate method to eliminate these limitations. (10+5+5=20 marks)

(b) Discuss the inverted 'U' shaped hypothesis by Kuznets in describing the relationship between inequality and economic growth. How is this hypothesis useful for developing countries? (10+5=15 marks)

(c) Distinguish between warranted rate of growth and natural rate of growth. Explain how knife-edge instability problem occurs in Harrod's model of economic growth. (10+5=15 marks)

UPSC Answer Check · Accepted Answer

HDI: components, limitations and remedies
The UNDP’s Human Development Index is a composite of three dimension indices. The life expectancy index uses life expectancy at birth, bounded between 20 and 85 years. The education index combines mean years of schooling of adults aged 25 and above, bounded 0–15, and expected years of schooling for children, bounded 0–18. The GNI per capita index uses the logarithm of GNI per capita in 2017 PPP, bounded $100–$75,000. Each dimension is normalised to 0–1 and the HDI is the geometric mean, so a shortfall in one dimension cannot be fully offset by another, though limited substitutability remains. Methodological limitations are that equal weights are value-laden and not derived from evidence; the geometric mean still assumes some substitutability and hides distributional gaps; it omits inequality, sustainability, political freedom, gender, health quality and subjective well-being; and cross-country comparability is affected by data quality, PPP conversion, cultural differences and arbitrary bounds. Remedies include the Inequality-adjusted HDI, which applies an inequality correction to the HDI; the Multidimensional Poverty Index, which uses non-substitutable deprivation thresholds; the Gender Development Index and Gender Progress Index for gender gaps; and the Genuine Progress Indicator for environmental and social quality. To reduce arbitrary weighting and substitutability, UNDP can use participatory or revealed-preference weighting, principal-component or minimum-distance methods, and publish sensitivity analysis, while retaining a minimum-dimension rule so no single high score compensates for severe deprivation.

Kuznets’ inverted U
Kuznets’ inverted U hypothesis says inequality first rises and then falls as per-capita income grows. In early stages, industrialisation draws labour from low-productivity agriculture to higher-wage urban sectors, capital accumulates faster than labour, and political pressure for redistribution is weak. Later, education, social security, urbanisation, trade-union strength and democratic politics compress incomes. Empirically the curve is not universal; turning points vary, and some countries show persistent inequality. For developing countries, the hypothesis is useful as a warning, not a promise: growth may widen inequality before policies reverse it. India must therefore pair growth with early redistributive measures—MGNREGA, PDS, mid-day meals, health and education spending, land and credit reforms—so that structural transformation does not become a permanent rise in inequality.

Harrod’s knife-edge
In Harrod’s model, the warranted rate of growth, Gw = s/Cr, is the rate at which firms are willing to expand, where s is the savings rate and Cr the capital-output ratio. The natural rate, Gn, is the maximum sustainable rate determined by labour-force growth and technical progress. Knife-edge instability arises because actual growth, G, is not automatically pulled back to Gw. If G exceeds Gw, firms find excess demand and expand investment; if G falls below Gw, they cut back, so deviations reinforce rather than correct. If Gw exceeds Gn, the economy overheats with inflation; if Gw is below Gn, unemployment rises. Harrod’s static expectations assumption—firms expect past growth to continue—prevents adjustment through prices, wages or factor substitution. Domar’s equivalent formulation reaches the same growth equation through loanable funds and a fixed capital-output ratio, but its natural rate is tied mainly to labour-force growth, making the instability clearer. Solow’s neoclassical model resolves this by allowing factor substitution, a variable capital-output ratio, diminishing returns and interest-rate adjustment, so the economy converges to a steady state.

HDI and growth theory together show that development policy must improve life, education and income while managing inequality and stability. India should use IHDI and MPI to guide human-capital investment, avoid Kuznets pessimism through inclusive growth, and maintain savings, technology and labour absorption close to the natural rate.

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