Growth traps and curses

Economic Growth Theories and Business Cycles · section 6 of 10

In this note
  1. Detail
  2. Prelims Hooks
  3. Mains Points

Detail

1. What is a "growth trap"?

  • A growth trap is a situation where a country's growth slows down and stays slow. It does not catch up with rich countries.
  • This section covers two kinds of trap:
  • the middle-income trap, which comes from the country's stage of development;
  • the resource curse, which comes from having a lot of natural resources.

  • Link to growth theory:

  • Harrod-Domar model: growth rate g = s / v. Here s is the saving (investment) rate and v is the ICOR (incremental capital-output ratio, the extra capital needed to make one extra unit of output).
    • Worked example: s = 30%, v = 4 → g = 30 / 4 = 7.5%. If capital is used badly and v rises to 5 → g = 6%.
  • Solow model (1956): capital has diminishing returns. Each extra machine adds less output than the one before it. So growth that comes only from adding capital slows down over time. In the long run, only technology (productivity) growth keeps income per person rising.
  • The lesson: a country that grows only by piling up capital and cheap labour will slow down. This is the basic logic of the middle-income trap.

2. Middle-income trap: concept

  • Middle-income trap: a country reaches middle income and then stalls. The term was coined by Gill and Kharas (2007), both World Bank economists.
  • Why it gets stuck: it is squeezed from two sides
  • Its cheap-labour advantage fades. As wages rise, it cannot compete on cost with low-wage economies such as Bangladesh or Vietnam.
  • It lacks innovation capacity, meaning it cannot yet invent new products and processes. So it cannot compete on technology with rich economies.
  • Result: the old growth model stops working, and there is no new one yet.

  • Where the trap starts: growth usually stalls at about 10% of US GDP per capita, which is about US$8,000 today (WDR 2024) [2][3].

3. World Development Report (WDR) 2024: The Middle-Income Trap

  • Scale of the problem:
  • 108 middle-income countries (end-2023) [2].
  • They are home to 6 billion people, about 75% of the world's population [2].
  • Two out of three people in extreme poverty live in these countries [2].
  • They produce over 40% of global GDP and more than 60% of carbon emissions [2].
  • Middle-income band used in the report: GDP per capita of US$1,136 to US$13,845 [2].

  • Few have escaped:

  • Only 34 middle-income economies reached high income since 1990 [2].
  • More than one-third of these were helped by EU integration or oil discovery [2]. In other words, few escaped only through their own policy.

  • Speed of catching up: at current trends [3]:

  • China needs more than 10 years just to reach one-quarter of US income per capita;
  • Indonesia needs about 70 years;
  • India needs about 75 years.

  • The "3i" sequence. Policy should change as the country grows richer [3][4]:

Stage Strategy Meaning
Low income 1i: Investment Raise public and private investment (build roads, power, factories)
Lower-middle income 2i: Investment + Infusion Bring in foreign technology and spread it across domestic firms (licensing, FDI, joint ventures)
Upper-middle income 3i: Investment + Infusion + Innovation Build the ability to create new technology at home
  • Exam trap: the stages add up. Infusion does not replace investment, and innovation is added on top of both [4].

  • Success stories:

  • South Korea: income per capita was US$1,200 in 1960 and US$33,000 at end-2023 [2]. It moved from investment, to copying Japanese technology, to its own innovation (Samsung, Hyundai).
  • Poland and Chile also used technology transfer (infusion) successfully [2].

4. India and the trap

  • India's classification: lower-middle income under World Bank thresholds [5].
  • Current thresholds (FY2027, July 2026 to June 2027, based on 2025 Atlas GNI per capita) [5]:
    • Low income: ≤ US$1,175
    • Lower-middle income: US$1,176 to US$4,635
    • Upper-middle income: US$4,636 to US$14,375
    • High income: > US$14,375
  • (NCERT scaffold: lower-middle band of about US$1,136 to US$4,495, FY2026 thresholds.)
  • GNI per capita (Atlas method): gross national income divided by population, converted to US dollars using a 3-year average exchange rate. It is not GDP.
  • The thresholds are revised every year for inflation, so the "high income" line keeps moving up [5].

  • Viksit Bharat 2047 arithmetic:

  • Reaching high income by 2047 needs about 7.5-8% real growth for about two decades.
  • This is above India's ~7% potential growth estimate (Section 1). Potential growth is the fastest the economy can grow without causing inflation.
  • Formula: required growth g = (Y_target / Y_now)^(1/t) − 1
    • Worked example (illustrative): suppose income per person must rise 5 times in 22 years. Then g = 5^(1/22) − 1 ≈ 7.6% a year.
  • Rule of 70: doubling time ≈ 70 / growth rate. At 8%, income doubles in about 9 years. At 6%, it takes about 12 years.
  • What 3i means for India: as a lower-middle-income country, India needs 2i (investment + infusion). Examples are FDI-led manufacturing (PLI schemes) and technology tie-ups, not only home-grown R&D.

5. Resource curse: concept

  • Resource curse (Auty, 1993; Sachs-Warner, 1995): countries rich in oil, minerals or gems often grow slower than resource-poor countries. They also tend to have weaker institutions and more conflict.
  • It works through four channels:
  • Dutch disease (covered in balance-of-payments-exchange-rate):
    • resource exports bring in a lot of foreign currency;
    • the home currency appreciates (becomes stronger);
    • manufacturing and other exports become costlier abroad, so they shrink;
    • the country ends up depending on one commodity.
    • The name: the Netherlands' manufacturing weakened after North Sea gas was found in the 1960s.
  • Commodity price volatility:
    • world prices swing, so government revenue goes through boom and bust;
    • Example: if oil gives 50% of the budget and the oil price falls 40%, the budget loses about 20% of its revenue in one go. Spending is then cut suddenly.
  • Rent seeking and corruption:
    • rent here means income from owning a resource, not from producing anything;
    • elites fight to control this rent instead of building productive businesses.
  • Conflict and weak institutions:
    • the state earns from resources, so it does not need to tax its citizens;
    • citizens then have less power to hold the state to account, so institutions stay weak.

6. Resource curse: country examples

  • Cursed:
  • Nigeria: oil wealth alongside poverty and conflict in the Niger Delta.
  • Venezuela: heavy dependence on oil, then collapse when oil prices fell.

  • Escaped:

  • Norway: saves oil income in a sovereign wealth fund (a state-owned investment fund). This keeps the money out of the domestic economy, which limits Dutch disease, and saves wealth for future generations.
  • Botswana: good diamond governance, meaning transparent contracts and diamond revenue invested in public services.

  • The lesson: the curse is not destiny. Institutions decide the outcome.

7. India's mineral-belt paradox

  • Jharkhand, Odisha and Chhattisgarh hold huge mineral wealth (coal, iron ore, bauxite). Yet they have:
  • high poverty;
  • tribal displacement (tribal people lose land and forest to mines).

  • This is a resource curse inside one country: the wealth leaves the district, while the pollution and displacement stay.

8. Response: District Mineral Foundations (DMF) and PMKKKY

  • DMF: a non-profit trust in every mining-affected district. It was set up under the MMDR Amendment Act, 2015 (Mines and Minerals (Development and Regulation) Act).
  • Funding: mining lease holders pay a share of their royalty into the DMF. Royalty is the payment to the state for extracting its minerals.
  • Use: welfare of people and areas affected by mining, under PMKKKY (Pradhan Mantri Khanij Kshetra Kalyan Yojana).

  • Revised PMKKKY guidelines (January 2024) [6]:

  • At least 70% of funds must go to high-priority sectors. These are drinking water, environment and pollution control, health care, education, welfare of women and children, welfare of the aged and differently abled, skill development and livelihoods, sanitation and housing [6].
  • At least 70% must be used in directly affected areas, and an audit is mandatory [6].

  • Money so far: till November 2024, ₹1,02,083.03 crore had been collected in DMFs. Of this, ₹87,357.28 crore was sanctioned for 3.60 lakh projects [7].

  • Why it matters: DMF keeps part of the resource rent in the local area. This goes after the "wealth leaves, damage stays" problem at its root.

Prelims Hooks

  • The term middle-income trap was coined by Gill and Kharas (2007).
  • WDR 2024 counts 108 middle-income countries (end-2023) with 6 billion people (~75%) of the world's population [2].
  • Only 34 economies moved from middle to high income since 1990, and over one-third were helped by EU integration or oil [2].
  • The trap typically starts at about 10% of US GDP per capita (≈ US$8,000) [2].
  • 3i sequence: Investment (low income) → + Infusion of foreign technology (lower-middle) → + Innovation (upper-middle). The stages add up; they do not replace each other [4].
  • FY2027 World Bank thresholds (2025 GNI): lower-middle US$1,176-4,635; high income > US$14,375. India is lower-middle income [5].
  • Resource curse is linked to Auty (1993) and Sachs-Warner (1995). Dutch disease = the currency rises because of resource exports, and manufacturing suffers.
  • Norway (sovereign wealth fund) and Botswana (diamonds) escaped the curse. Nigeria and Venezuela did not.
  • DMFs were created under the MMDR Amendment Act, 2015. Under the revised PMKKKY guidelines (2024), ≥ 70% of funds must go to high-priority sectors [6].

Mains Points

  • Why the investment-led model runs out (Solow logic): capital has diminishing returns, so India's high-investment strategy alone cannot deliver 7.5-8% growth up to 2047. WDR 2024 says lower-middle-income countries like India must add infusion: FDI, technology licensing and linking firms to global value chains [4]. Without this, India would need about 75 years to reach a quarter of US income per person [3].
  • Viksit Bharat has to beat potential growth: the 2047 target needs growth above the ~7% potential rate. That means lifting potential growth itself through reforms: labour and land markets, human capital (education and health), female labour-force participation, and R&D spending. Short-term demand stimulus is not enough.
  • Resource curse is about institutions: Norway and Botswana show that fund-based saving and transparent resource governance can break the curse. India's mineral-belt states show the curse inside one country. DMF/PMKKKY is a fiscal fix (₹1.02 lakh crore collected by November 2024) [7], but it works only with gram sabha participation, the 2024 rule of 70% spending in priority sectors and affected areas [6], and audits.
  • Federal and GS-II angle: mineral wealth, tribal rights (Fifth Schedule, PESA, Forest Rights Act) and local funds come together here. Growth policy therefore also needs inclusive governance, or the result is displacement and conflict (for example, Left-Wing Extremism in the mineral belt).

Sources

  1. 1Class 12, Ch 1 "Introduction (Macroeconomics)"; Class 12, Ch 4 "Determination of Income and Employment"; Class 11, Ch 3 "Liberalisation, Privatisation and Globalisation: An Appraisal"; Class 11, Ch 8 "Comparative Development Experiences of India and its Neighbours" (primary)
  2. 2"Middle-Income Trap" Hinders Progress in 108 Developing Countries (World Bank press release, 22 July 2024)worldbank.org · tier 2
  3. 3World Development Report 2024: The Middle-Income Trapworldbank.org · tier 2
  4. 4World Development Report 2024: Main Messagesworldbank.org · tier 2
  5. 5World Bank Country and Lending Groups (FY2027 classification)datahelpdesk.worldbank.org · tier 2
  6. 6Latest Guidelines of PMKKKY (PIB)pib.gov.in · tier 1
  7. 7District Mineral Foundation (DMF) (PIB)pib.gov.in · tier 1