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Having identified the barriers to economic development, this lesson examines the main strategies that have been proposed and implemented to promote development. The central organising distinction is between market-led strategies (trade liberalisation, FDI, microfinance, deregulation) and interventionist strategies (industrial policy, infrastructure investment, aid, debt relief), with structural models such as the Lewis dual-sector model and sector-specific strategies (tourism, primary-sector development, fair trade) sitting between them. Each strategy has supporters and critics, and the unifying analytical theme is that no single approach works everywhere — what succeeds depends on the binding constraint and the institutional context of the particular economy.
This lesson addresses AQA A-Level Economics (7136), section 4.2.6 — The international economy (the economics of development), specifically the market-orientated and interventionist strategies to promote growth and development, and their evaluation.
Assessment objectives in play:
It helps to map the strategies along a spectrum from purely market-led (relying on the price mechanism, trade and private capital) to strongly interventionist (relying on the state to direct resources). Most successful development episodes have, in fact, blended the two.
flowchart LR
A[Market-led] --> B[Trade liberalisation<br/>+ export-led growth]
A --> C[FDI attraction<br/>+ SEZs]
A --> D[Microfinance]
E[Interventionist] --> F[Industrial policy<br/>+ infant-industry support]
E --> G[Infrastructure +<br/>human-capital investment]
E --> H[Aid + debt relief]
B --> I[Sustained, broad-based<br/>development]
C --> I
D --> I
F --> I
G --> I
H --> I
This framework is the backbone of any top-band evaluation: rather than treating each strategy in isolation, the strongest answers ask where on this spectrum a strategy sits, what market or institutional failure it addresses, and whether it complements the others.
Foreign aid (Official Development Assistance, ODA) is financial or technical assistance provided by governments and international organisations to promote development.
| Type | Description | Example |
|---|---|---|
| Bilateral aid | Government-to-government transfers | UK aid to Ethiopia |
| Multilateral aid | Aid channelled through international organisations | World Bank, IMF, UNDP |
| Tied aid | Aid that must be spent on goods/services from the donor country | (Criticised for reducing value for money) |
| Untied aid | Aid with no conditions on how it is spent | |
| Humanitarian/emergency aid | Short-term relief in response to crises | Earthquake relief, famine assistance |
| Project aid | Funding for specific projects (e.g., building a school, hospital) | |
| Programme aid | Budget support or balance-of-payments support |
Exam Tip: The aid debate between Sachs and Easterly/Moyo is a classic evaluation framework. Use it to structure essay answers — present the case for aid (Sachs), then critique it (Easterly/Moyo), and reach a balanced conclusion that aid can work but depends on how it is delivered, to whom, and the institutional context.
Opening up to international trade can promote development by:
Several countries have achieved rapid development through export-led growth strategies:
| Country | Strategy | Outcome |
|---|---|---|
| South Korea | Promoted heavy industry and electronics exports (1960s–1990s) | Transformed from a low-income to a high-income country |
| China | Special Economic Zones, export-oriented manufacturing (1980s–present) | Unprecedented poverty reduction; became the world's largest exporter |
| Vietnam | Doi Moi reforms (1986); integration into global supply chains | Rapid growth and poverty reduction |
| Bangladesh | Ready-made garment industry; exploited comparative advantage in low-cost labour | Garments now account for over 80% of export earnings |
An alternative strategy, popular in Latin America from the 1950s to 1980s, involves protecting domestic industry from imports through tariffs and quotas, encouraging the country to produce goods domestically rather than importing them.
Evaluation of ISI:
Key Definition: Import substitution industrialisation (ISI) is a development strategy that seeks to replace imported goods with domestically produced goods, typically through tariff protection and government support for domestic industry.
Attracting FDI is a key development strategy, offering capital, technology, and employment. (See Lesson 7 for detailed analysis of FDI benefits and costs.)
Strategies to attract FDI include:
Microfinance involves providing small loans, savings products, and insurance to low-income individuals who are excluded from the formal banking system.
| Strength | Limitation |
|---|---|
| Reaches the very poor who are excluded from formal banking | Interest rates can be high (sometimes 30%+ annually) |
| Empowers women and promotes entrepreneurship | Evidence on poverty reduction is mixed — many micro-enterprises remain subsistence-level |
| Can break the cycle of dependence on moneylenders | Risk of over-indebtedness if borrowers take on multiple loans |
| Encourages saving and financial literacy | Does not address structural barriers (infrastructure, education, governance) |
Exam Tip: Microfinance is a popular exam topic. Be ready to explain how it works, its theoretical basis (addressing the savings gap and financial exclusion), and its limitations. The key evaluation point is that microfinance alone cannot transform an economy — it needs to be part of a broader development strategy.
Walt Rostow (1960) proposed a linear model of economic development with five stages:
| Stage | Name | Key Feature |
|---|---|---|
| 1 | Traditional society | Subsistence agriculture; limited technology; rigid social structures |
| 2 | Pre-conditions for take-off | Development of transport, banking, and trade; investment in education; emergence of entrepreneurs |
| 3 | Take-off | Rapid industrialisation; investment rises to over 10% of national income; self-sustaining growth begins |
| 4 | Drive to maturity | Economy diversifies; new industries grow; technology is widely adopted |
| 5 | Age of high mass consumption | Consumer-oriented economy; high incomes; service sector dominance |
Strengths:
Weaknesses:
Exam Tip: Rostow's model is useful as a starting point but must be critically evaluated. Always contrast it with alternative perspectives, particularly dependency theory (Frank, 1967) and the capabilities approach (Sen, 1999).
W. Arthur Lewis (1954), a Nobel laureate, proposed the dual-sector (or dual-economy) model, one of the most influential structural theories of development. It divides a developing economy into two sectors:
Key Definition: The Lewis dual-sector model argues that development occurs as surplus labour transfers from a low-productivity agricultural sector to a high-productivity modern sector; because agricultural labour is in surplus, this transfer raises total output without reducing farm output, and reinvested industrial profits fund expansion until the surplus is exhausted.
The mechanism is a virtuous circle: because agricultural labour is in surplus, workers can move to industry without reducing food output; the modern sector earns profits, which are reinvested to expand capacity and draw in still more labour; this continues until the agricultural surplus is exhausted (the "Lewis turning point"), after which wages begin to rise economy-wide. The transfer of labour from low- to high-productivity activity is the structural transformation at the heart of development.
flowchart LR
A[Surplus labour in<br/>subsistence agriculture] --> B[Transfer to modern<br/>industrial sector]
B --> C[Higher output +<br/>industrial profits]
C --> D[Profits reinvested<br/>to expand industry]
D --> B
C --> E[Structural transformation<br/>+ development]
Evaluation of the Lewis model. Strengths: it captures the structural shift from agriculture to industry that has accompanied most successful development (China's vast rural-to-urban migration is the textbook modern illustration), and it links growth to reinvested profit, complementing Harrod-Domar's focus on saving. Limitations: it assumes profits are reinvested domestically rather than spent on luxury imports or sent abroad as capital flight; it assumes the modern sector creates enough jobs to absorb the transfer, whereas in practice rural–urban migration can outpace job creation, producing urban unemployment and slums rather than productive employment; it underplays the possibility of rising agricultural productivity (a green-revolution path) as an alternative route; and it neglects institutions and human capital. The model is therefore best treated as a powerful description of one development path (industrialisation via labour transfer) rather than a universal blueprint — exactly the kind of nuance examiners reward.
In the 1980s and 1990s, the IMF and World Bank required developing countries to implement structural adjustment programmes as a condition for receiving loans. These programmes were based on the "Washington Consensus" (a term coined by John Williamson, 1989):
Arguments for:
Arguments against:
The United Nations Sustainable Development Goals (2015) provide a comprehensive framework of 17 goals to be achieved by 2030:
| Selected SDGs | Target |
|---|---|
| SDG 1 | End poverty in all its forms everywhere |
| SDG 2 | End hunger, achieve food security |
| SDG 3 | Ensure healthy lives and promote wellbeing |
| SDG 4 | Ensure inclusive and equitable quality education |
| SDG 5 | Achieve gender equality and empower women |
| SDG 8 | Promote sustained, inclusive, and sustainable economic growth |
| SDG 10 | Reduce inequality within and among countries |
| SDG 13 | Take urgent action to combat climate change |
The SDGs replaced the Millennium Development Goals (MDGs) (2000–2015), which achieved notable progress (e.g., halving extreme poverty) but were criticised for being too narrow and not adequately addressing sustainability and inequality.
Strengths:
Weaknesses:
Developing tourism is a popular strategy because a country's beaches, wildlife, climate or heritage are a natural comparative advantage that does not require building a manufacturing base first.
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