Listen & Learn
Listen to key definitions while walking, commuting, or revising on the go.
scarcity
Unit 1The fundamental economic problem: resources are limited but human wants are unlimited.
economic problem
Unit 1Resources are finite but human wants are infinite, so choices must be made.
needs
Unit 1Goods and services essential for survival.
wants
Unit 1Goods and services that are desired but not essential for survival.
economic goods
Unit 1Goods that are scarce, require resources to produce, and have an opportunity cost.
free goods
Unit 1Goods that are not scarce, have no opportunity cost, and are naturally available in unlimited supply.
factors of production
Unit 1The four inputs used to produce goods and services: land, labour, capital, and enterprise.
land
Unit 1All natural resources used in production — not just soil, but minerals, forests, water, oil, etc.
labour
Unit 1The human physical and mental effort used in production of goods and services.
capital
Unit 1Man-made goods used in the production of other goods and services (NOT money).
enterprise
Unit 1The factor of production that involves organising the other three factors and taking financial risk.
opportunity cost
Unit 1The value of the next best alternative forgone when making a choice.
production possibility curve
Unit 1A diagram showing the maximum possible output combinations of two goods when all resources are fully and efficiently employed.
geographical mobility
Unit 1The ability of a factor of production to move between locations.
occupational mobility
Unit 1The ability of a factor of production to change its use or occupation.
demand
Unit 1The quantity of a good or service that consumers are willing and able to buy at a given price in a given time period.
supply
Unit 2The quantity of a good or service that producers are willing and able to sell at a given price in a given time period.
equilibrium
Unit 2The price and quantity where demand equals supply — the market clears with no surplus or shortage.
surplus
Unit 2When quantity supplied exceeds quantity demanded at a given price (excess supply).
shortage
Unit 2When quantity demanded exceeds quantity supplied at a given price (excess demand).
price elasticity of demand
Unit 2A measure of how responsive the quantity demanded of a good is to a change in its price.
elastic demand
Unit 2When the percentage change in quantity demanded is greater than the percentage change in price (PED > 1).
inelastic demand
Unit 2When the percentage change in quantity demanded is less than the percentage change in price (PED < 1).
price elasticity of supply
Unit 2A measure of how responsive the quantity supplied of a good is to a change in its price.
market failure
Unit 2When the free market fails to allocate resources efficiently, leading to a misallocation.
externality
Unit 2A cost or benefit that affects a third party who is not directly involved in the economic transaction.
public goods
Unit 2Goods that are non-excludable (cannot prevent people from using them) and non-rivalrous (one person's use does not reduce availability for others).
merit goods
Unit 2Goods that are beneficial to society but are under-consumed because people underestimate their private benefits.
demerit goods
Unit 2Goods that are harmful to consumers and/or society but are over-consumed because people underestimate the harm.
market economic system
Unit 2An economy where resources are allocated by the price mechanism through supply and demand, with no government intervention.
mixed economic system
Unit 2An economy where resources are allocated by both the market (private sector) and the government (public sector).
maximum price
Unit 2A legal price ceiling set by the government below the equilibrium price to make a good more affordable.
minimum price
Unit 2A legal price floor set by the government above the equilibrium price to protect producers.
subsidy
Unit 2A payment by the government to producers to lower costs of production and encourage output.
indirect tax
Unit 2A tax placed on the producer of a good or service, which raises the cost of production.
money
Unit 2Anything widely accepted as payment for goods and services that serves as a medium of exchange, store of value, unit of account, and standard of deferred payment.
medium of exchange
Unit 2Money's function of being accepted in payment for goods and services, eliminating the need for barter.
store of value
Unit 2Money's function of holding its value over time, allowing saving and future spending.
central bank
Unit 2The government's bank and the banker to commercial banks — it sets monetary policy, issues currency, and acts as lender of last resort.
commercial bank
Unit 2A profit-making financial institution that accepts deposits, makes loans, and provides payment services to individuals and firms.
specialisation
Unit 2When a worker, firm, region, or country concentrates on producing a narrow range of goods or services.
division of labour
Unit 2Breaking the production process into separate tasks, each performed by different workers.
collective bargaining
Unit 2The process by which trade union representatives negotiate with employers on behalf of all union members over wages, hours, and conditions.
derived demand
Unit 2Demand for a factor of production that arises from (derives from) the demand for the product it helps to produce.
wage determination
Unit 2The process by which wages are set through the interaction of labour demand (from firms) and labour supply (from workers).
labour intensive
Unit 2Production that uses a high proportion of labour relative to capital.
capital intensive
Unit 2Production that uses a high proportion of capital (machines/technology) relative to labour.
productivity
Unit 3Output per unit of input — a measure of efficiency. Labour productivity = total output ÷ number of workers.
economies of scale
Unit 3The cost advantages (lower average costs) that a firm gains as it increases its scale of production.
diseconomies of scale
Unit 3The cost disadvantages (higher average costs) that occur when a firm becomes too large.
horizontal merger
Unit 3A merger between two firms at the same stage of production in the same industry.
vertical merger
Unit 3A merger between two firms at different stages of the supply chain in the same industry.
conglomerate merger
Unit 3A merger between two firms in completely unrelated industries — pure diversification.
monopoly
Unit 3A market structure with a single firm (or dominant firm with >25% market share) that controls supply.
barriers to entry
Unit 3Factors that prevent new firms from entering a market and competing with existing firms.
trade union
Unit 3An organised association of workers that collectively negotiates with employers for better wages, conditions, and job security.
total cost
Unit 3The sum of all fixed costs and variable costs at a given level of output: TC = FC + VC.
average total cost
Unit 3The cost per unit of output: ATC = TC ÷ Output.
fixed costs
Unit 3Costs that do not change with the level of output — they must be paid even if nothing is produced.
variable costs
Unit 4Costs that change directly with the level of output — they rise as more is produced.
total revenue
Unit 4The total income a firm receives from selling its output: TR = Price × Quantity sold.
profit
Unit 4The difference between total revenue and total cost: Profit = TR - TC.
competitive market
Unit 4A market with many buyers and sellers, similar products, low barriers to entry, and no single firm can influence price.
privatisation
Unit 4The transfer of ownership from the public sector (government) to the private sector.
government budget
Unit 4A statement of planned government spending (expenditure) and planned government revenue (mainly taxation) over a financial year.
budget deficit
Unit 4When government spending exceeds government revenue — the government must borrow to cover the gap.
national debt
Unit 4The accumulated total of all past government budget deficits minus past surpluses.
inflation
Unit 4A sustained increase in the general (average) price level over time.
deflation
Unit 4A sustained decrease in the general (average) price level over time — a negative inflation rate.
disinflation
Unit 4When the inflation rate is positive but falling — prices still rising but at a slower rate.
demand-pull inflation
Unit 4Inflation caused by aggregate demand growing faster than the economy's productive capacity — too much money chasing too few goods.
cost-push inflation
Unit 5Inflation caused by rising production costs being passed on to consumers as higher prices.
unemployment
Unit 5When people of working age are not in paid work but are actively seeking work and available to start.
frictional unemployment
Unit 5Short-term unemployment that occurs when people are between jobs — searching for a new position.
structural unemployment
Unit 5Long-term unemployment caused by a mismatch between workers' skills and the skills demanded by employers.
cyclical unemployment
Unit 5Unemployment caused by insufficient aggregate demand during a recession — also called demand-deficient unemployment.
fiscal policy
Unit 5Government use of taxation and government spending to influence aggregate demand and achieve macroeconomic aims.
monetary policy
Unit 6Central bank use of interest rates, money supply, and exchange rates to influence economic activity.
quantitative easing
Unit 6When a central bank creates new money electronically to buy assets (usually government bonds) from financial institutions.
interest rate
Unit 6The price of borrowing money or the return on saving — set by the central bank as the Bank Rate.
supply-side policy
Unit 6Government policies aimed at increasing the productive capacity and efficiency of the economy.
recession
Unit 6Two or more consecutive quarters of negative real GDP growth — the economy is shrinking.
gross domestic product
Unit 6The total value of all final goods and services produced within a country's borders in a given time period (usually one year).
economic growth
Unit 6An increase in the real GDP of a country over time — the economy is producing more goods and services.
phillips curve
Unit 6An inverse relationship between unemployment and inflation — low unemployment leads to higher inflation and vice versa.
crowding out
Unit 6When increased government borrowing leads to higher interest rates, which reduces private sector investment.
automatic stabilisers
Unit 6Tax and benefit changes that occur automatically with the economic cycle without any deliberate policy decision.
direct tax
Unit 6A tax paid directly from income or wealth to the government — the payer cannot pass it on to someone else.
indirect tax
Unit 6A tax levied on goods and services — the burden can be passed on to the consumer in higher prices.
balance of payments
Unit 1A record of all financial transactions between a country and the rest of the world over a period of time.
consumer price index
Unit 1A weighted index measuring changes in the price of a typical household's basket of ~700 goods and services.
stagflation
Unit 1When inflation and recession (or high unemployment) occur simultaneously — the worst of both worlds.
wage-price spiral
Unit 1A self-reinforcing cycle where rising wages lead to higher costs, higher prices, and further wage demands.
economic development
Unit 1An improvement in living standards and well-being, including better healthcare, education, freedom, and reduced poverty.
economic growth
Unit 1An increase in real GDP over time — the economy produces more goods and services.
human development index
Unit 1A composite measure of development using three indicators: life expectancy, education (mean/expected years of schooling), and GNI per capita.
real gdp per capita
Unit 1Total real GDP divided by the population — average output per person, adjusted for inflation.
purchasing power parity
Unit 1An exchange rate adjustment that accounts for differences in the cost of living between countries.
gini coefficient
Unit 1A number between 0 and 1 measuring income inequality. 0 = perfect equality, 1 = perfect inequality.
lorenz curve
Unit 1A graph showing income distribution — the further from the 45° line of equality, the more unequal.
absolute poverty
Unit 1Living below the income level needed to afford basic necessities (food, water, shelter).
relative poverty
Unit 1Having significantly less income than the average in a particular country — being poor compared to others around you.
poverty cycle
Unit 1A self-reinforcing cycle where poverty leads to low education, poor health, low productivity, low income — and back to poverty.
inequality
Unit 1Uneven distribution of income or wealth within a population.
progressive taxation
Unit 1A tax where the rate increases as income rises — higher earners pay a larger percentage.
transfer payments
Unit 1Money given by the government to individuals without receiving goods or services in return.
birth rate
Unit 1The number of live births per 1,000 people per year.
death rate
Unit 1The number of deaths per 1,000 people per year.
natural increase
Unit 1The difference between the birth rate and the death rate — population growth excluding migration.
net migration
Unit 1The difference between immigration (people moving in) and emigration (people moving out).
optimum population
Unit 1The population size that produces the highest GDP per capita given available resources and technology.
ageing population
Unit 1A rising proportion of elderly people in the population, caused by improved healthcare and falling birth rates.
dependency ratio
Unit 1The ratio of dependants (under 15 + over 65) to the working-age population (15-64).
brain drain
Unit 1The emigration of skilled and educated workers from developing to developed countries.
sustainable development
Unit 1Economic development that meets present needs without compromising the ability of future generations to meet their own needs.
microfinance
Unit 1Small loans given to people in developing countries who cannot access normal banking services.
foreign aid
Unit 1Financial or material assistance given by one country or organisation to another, usually from developed to developing nations.
primary product dependency
Unit 1When a developing country relies heavily on exporting raw materials or agricultural products.
globalisation
Unit 1The increasing interconnection and interdependence of the world's economies through trade, investment, and technology.
international specialisation
Unit 1When a country concentrates on producing goods and services it can make most efficiently, based on comparative advantage.
comparative advantage
Unit 1When a country can produce a good at a lower opportunity cost than another country.
absolute advantage
Unit 1When a country can produce a good using fewer resources than another country.
free trade
Unit 1International trade without government-imposed barriers such as tariffs, quotas, or regulations.
protectionism
Unit 1Government policies that restrict international trade to protect domestic industries from foreign competition.
tariff
Unit 1A tax imposed on imported goods to make them more expensive than domestically produced alternatives.
quota
Unit 1A physical limit on the quantity of a good that can be imported into a country.
embargo
Unit 1A complete ban on trade with a particular country or on specific goods.
subsidy to domestic producers
Unit 1A payment from the government to domestic firms to lower their costs and help them compete with imports.
infant industry argument
Unit 1New industries need temporary protection from foreign competition until they grow large enough to achieve economies of scale.
dumping
Unit 1Selling goods in a foreign market at a price below the cost of production, or below the domestic price.
multinational corporation
Unit 1A company that operates (produces goods/services) in more than one country.
profit repatriation
Unit 1When MNCs send profits earned in a host country back to their home country.
exchange rate
Unit 1The price of one currency expressed in terms of another currency.
appreciation
Unit 1An increase in the value of a currency relative to other currencies in a floating exchange rate system.
depreciation
Unit 1A decrease in the value of a currency relative to other currencies in a floating exchange rate system.
floating exchange rate
Unit 1An exchange rate determined by the forces of supply and demand in the foreign exchange market, without government intervention.
fixed exchange rate
Unit 1An exchange rate set and maintained by the government or central bank at a specific value against another currency.
managed float
Unit 1An exchange rate mostly determined by market forces but with occasional government intervention to prevent extreme fluctuations.
current account
Unit 1The section of the balance of payments recording trade in goods, services, investment income, and transfers.
current account deficit
Unit 1When the value of imports and outflows exceeds the value of exports and inflows on the current account.
current account surplus
Unit 1When the value of exports and inflows exceeds the value of imports and outflows on the current account.
trade in goods
Unit 1Exports and imports of physical (tangible) products — also called visible trade.
trade in services
Unit 1Exports and imports of intangible services — also called invisible trade.
foreign direct investment
Unit 1Investment by a firm in one country into business interests in another country, involving ownership or control.
trading bloc
Unit 1A group of countries that agree to reduce or eliminate trade barriers between members.
world trade organization
Unit 1An international body that promotes free trade by negotiating agreements, settling disputes, and reducing trade barriers.