Some countries stay poor for decades even though the people in them work just as hard as anyone else. That is not bad luck. Poverty feeds itself, round and round, and a set of economic barriers keeps the wheel turning. Learn to draw the wheel and name the barriers, and most of 4.9 answers itself.
Think about a household earning barely enough to eat. There is nothing left over at the end of the month, so nothing goes into savings. With no savings there is no money to spend on better tools, better seeds or a bit more schooling. Without those, the household produces the same small amount next year, so the wage stays the same. The low income caused the low saving, and the low saving locked in the low income.
Now scale that household up to a whole country and you have a poverty trap. Economists draw it as a circle because there is no obvious starting point — every part is caused by the part before it.
Start at low wages. People spend almost everything they earn on food, rent and transport, so saving is low. Banks lend out the money that savers put in, so when savings are thin the banks have very little to lend and investment is low. Firms with no new machinery or buildings cannot raise output, so economic growth is low. Slow growth means firms cannot afford to pay more, so wages stay low. Back where we started.
Same start, other direction. Low wages mean families cannot pay for schooling, medicine or good food, so health and education levels stay low. Health and education are what build human capital — the skills and fitness a worker brings to a job. Weak human capital means each worker produces less, so productivity is low. Firms only pay what a worker produces, so again wages stay low.
A lot of low-income countries earn most of their export money from one or two primary products — copper, cocoa, oil, coffee. That sounds fine until you look at what happens to the price.
Demand for a raw commodity is price inelastic: chocolate factories need cocoa and cannot switch to something else quickly. Supply is inelastic too, because you cannot grow a coffee tree overnight. When both curves are steep, even a small shift — one bad harvest, one new mine opening — sends the price flying.
Two more problems come with primary products. First, income elasticity of demand is low: as the world gets richer, people do not buy proportionally more raw cotton or bananas, so the market a poor country sells into grows slowly. Second, primary products carry very little added value. Selling raw beans earns a few pence; selling the finished chocolate bar earns pounds, and almost all of that extra value is captured by firms in richer countries.
The rest of the economic barriers all do the same job in the end: they stop money turning into investment. Learn them as a list, but always explain how each one blocks the loop.
| Barrier | What it means | How it blocks growth or development |
|---|---|---|
| Rising income inequality | The gap between rich and poor widens; the middle-income band stays small. | Rich households save a bigger share of income, so consumption and aggregate demand grow slowly. Poor households never build enough income to escape the trap. |
| No access to world markets | Rich countries protect their own farmers and firms with tariffs and quotas. | Exports are the fastest way to earn foreign currency. Blocked out, a country cannot sell its way to higher incomes. |
| A large informal economy | Street traders, casual labour, unregistered workshops — work that is never recorded. | No income tax is collected, so the government has little revenue for schools, clinics and roads. Informal workers also have no contract, pension or protection. |
| Capital flight | Money and assets leaving the country quickly, often after political trouble or a currency scare. | The savings that were meant to fund domestic investment go abroad instead. The left-hand loop stalls at the investment box. |
| Indebtedness | Large loans taken out in the past that still have to be serviced. | Repayments swallow tax revenue that could have gone on merit goods. High debt also frightens off new lenders and investors. |
| Weak infrastructure | Unreliable power, poor roads, little clean water, patchy internet. | Business costs rise, goods spoil in transit and foreign firms invest somewhere else. Households spend hours a day fetching water or fuel instead of working or studying. |
| Low human capital | Low levels of schooling and healthcare across the workforce. | Productivity per worker stays low, so wages stay low. This is the development loop in one line. |
| Geography | Landlocked position, desert, mountains, no natural harbour. | Sea freight is far cheaper than air or long overland routes, so landlocked exporters carry a permanent cost disadvantage. Less usable land means less output. |
| Tropical disease | Malaria, dengue and other endemic illnesses. | Sick workers are absent workers. Output falls, healthcare spending rises, and children miss school — hitting both loops at once. |
Explain how low levels of saving can trap a country in poverty. [4 marks]
An extract says a country earns 68% of its export revenue from one mineral. Explain two problems this creates. [4 marks]
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