Part (a): explain the poverty cycle [10]
Economic development is a broad, multidimensional improvement in living standards, covering not only higher real incomes but also better health, education and freedoms. The poverty cycle (also called a poverty trap) explains why an economically less developed country (ELDC) can find this so hard to achieve: it is a self-reinforcing loop in which poverty today causes the conditions that keep the country poor tomorrow.
The cycle runs through a sequence of links. Low incomes mean households can barely cover consumption, so they have low savings. Because banks and firms draw on savings to fund investment, low savings mean low investment in physical capital such as machinery, infrastructure and technology, and in human capital through health and education. Low investment leaves workers with little capital to work with and few skills, so productivity stays low. Low productivity means little output per worker, which feeds back into low incomes, returning the economy to where it started. The loop is self-reinforcing: each low value causes the next, so without an interruption the country remains stuck at a low-income equilibrium even though the people are willing to work.
The same logic applies to human capital. Low incomes mean poor nutrition, weak healthcare and children working rather than schooling, which produces an unhealthy, low-skilled workforce, low productivity and low incomes again. The power of the model is that it shows why poverty persists without an external injection, such as foreign aid, inward FDI, debt relief or government investment in infrastructure and schooling, that raises investment enough to lift productivity and break the loop. Once incomes rise, savings and investment can rise too, and the cycle can turn into a virtuous one.
Part (b): discuss the barriers to development [15]
The poverty cycle is kept turning by a set of barriers to development. A strong answer does not just list them; it weighs which are most binding and how far they can be overcome, reaching a supported judgement.
Economic barriers
The clearest barriers are economic. Low human capital, from poor access to healthcare and education, leaves a workforce that is unhealthy and unskilled, holding down productivity at the heart of the poverty cycle. Poor infrastructure, unreliable power, water, transport and telecommunications, raises firms' costs and deters investment. Dependence on primary-product exports exposes a country to volatile commodity prices and to a long-run decline in their terms of trade against manufactures, so export earnings are unstable and often falling in real terms. Indebtedness diverts scarce revenue into debt service rather than development spending, and capital flight drains the savings the country does generate. Geography can compound these problems: a landlocked country, or one with a tropical climate and endemic disease, faces higher trade costs and a heavier health burden.
Political and social barriers
Underlying the economic barriers are political and institutional ones, which many economists regard as the most decisive. A weak institutional framework, an unreliable legal system, insecure property rights, an ineffective tax system and a fragile banking sector, discourages the investment and entrepreneurship development needs, because firms and households cannot trust that contracts will be enforced or assets protected. Corruption and poor governance divert public funds and distort policy towards the powerful. Gender inequality wastes half the potential workforce by limiting women's access to education, credit and paid work. These barriers matter because they shape whether any economic intervention will actually work.
A developed real-world example
The contrast within Sub-Saharan Africa illustrates how binding institutions are. Several resource-rich states have struggled to convert mineral wealth into broad development because weak governance and corruption let the gains leak away, while a primary-export economy stays exposed to price swings. Botswana is the instructive counter-case: starting as one of the poorest countries in the world at independence, it used relatively strong institutions, sound governance and the careful management of diamond revenue to deliver decades of rapid growth and rising living standards, becoming an upper-middle-income country. The comparison shows that the same primary-resource base produces very different outcomes depending on the strength of institutions, which supports treating governance as a more binding barrier than resources alone.
Judgement
The barriers to development are real and interlocking, but they should be ranked rather than listed. Institutions are the most binding barrier in the sense that they determine whether the others can be addressed: a country with sound governance and secure property rights can attract investment, build human capital and diversify away from primary products, whereas weak institutions undermine every other policy. The barriers interact, so they reinforce one another and the most pressing one differs by country: for a landlocked, disease-burdened economy geography and human capital may bind first, while for a resource-rich one governance is decisive. Crucially, the barriers are significant but not an absolute ceiling. Economies including Botswana, and the fast-growing Asian economies that escaped the poverty cycle through deliberate investment in human capital, infrastructure and market access, show that barriers can be overcome with the right institutions and strategy. The supported judgement is therefore that the decisive barrier is usually institutional, that barriers must be tackled together because they are self-reinforcing, and that they slow development rather than making it impossible.