Business and Technology · Macroeconomic factors

Types and Causes of Unemployment for ACCA BT

Updated 11 October 2026 · Fact-checked

Unemployment is when people who are able and willing to work, and are actively looking for a job, cannot find one. The main types are frictional, structural, cyclical, seasonal and real-wage. To answer exam questions, identify the cause in the scenario, match it to the type, then state the effect on the economy or business.

Understand Unemployment

Unemployment exists when people of working age are able to work, want to work and are actively looking for work, but have no job. Someone who has chosen not to look for work, such as a full-time student or a retired person, is not counted as unemployed. They are economically inactive.

The economy always has some unemployment, because the labour market keeps changing. Workers move between jobs, industries decline and new ones grow. The question for the exam is usually why a person is unemployed, because the cause decides the type and the best policy response.

The main types are:

Frictional unemployment: short-term, between jobs. A worker has left one job and is searching for the next. It arises from imperfect information and the time it takes to match workers with vacancies.
Structural unemployment: a long-term mismatch between the skills or location of workers and the jobs available. It happens when an industry declines or technology changes, for example when automation replaces manual work. It is often called a mismatch of skills or location (occupational and geographical immobility).
Cyclical unemployment (also called demand-deficient): caused by a fall in total demand during a recession or downturn in the business cycle. Firms sell less, so they cut jobs across many industries.
Seasonal unemployment: jobs that exist only at certain times of year, such as tourism, farming or retail at holiday periods.
Real-wage unemployment: wages are held above the level where labour supply equals labour demand, for example by a minimum wage or strong trade unions, so employers hire fewer workers.

Unemployment is usually measured in two ways. The claimant count counts people claiming unemployment benefits. The labour force survey method, used by the International Labour Organization (ILO), counts people who have no job, are available to start work, and have looked for work recently. The unemployment rate is the number unemployed as a percentage of the labour force. The survey method is generally seen as a better international comparison, because benefit rules differ between countries.

Unemployment affects the whole economy. Output is lost, government spending on benefits rises, tax receipts fall, and workers lose skills and income. Businesses feel it too: weaker consumer demand, but easier recruitment and often lower wage pressure. When unemployment is very low, firms struggle to hire and wages tend to rise.

Key formulas to remember

Unemployment rate: Unemployment rate = (Number unemployed ÷ Labour force) × 100%; The labour force is the employed plus the unemployed. It excludes economically inactive people.
Labour force: Labour force = Employed + Unemployed; Do not use total population as the denominator.
Participation rate: Participation rate = (Labour force ÷ Working-age population) × 100%; Shows how much of the working-age population is active in the labour market.
Type matching rule: Between jobs = frictional; skills or location mismatch = structural; falling demand = cyclical; time of year = seasonal; wages too high = real-wage; Use the cause in the scenario to choose the type.

How to solve Unemployment questions

Use this method for any unemployment question, whether it asks you to identify a type, calculate a rate or explain effects.

1Read the question and note what is asked: type, cause, measurement, effect or policy.
2Look for the key clue in the scenario: a job search, a declining industry, a recession, the time of year or a high wage.
3Match the clue to the type: frictional, structural, cyclical, seasonal or real-wage.
4If a calculation is needed, find the labour force first (employed plus unemployed), then divide the unemployed by it.
5Exclude anyone who is not looking for work, such as students, retirees and those who choose not to work.
6For effects, split your answer into the economy (lost output, benefit costs, lower tax) and business (lower demand, easier hiring).
7Check your answer matches the number of options or points the question asks for.

Quickest way: Clue-word matching

When to use it: Use this for multiple choice questions that describe a worker or industry and ask you to name the type of unemployment.

Scan for the clue word: between jobs, searching, skills, mismatch, relocation, recession, falling demand, winter or summer, minimum wage.
Pick the type that fits: searching means frictional, mismatch means structural, recession means cyclical, time of year means seasonal.
Remove options that do not match the clue.
If it is a calculation, do employed plus unemployed first, then divide and multiply by 100.

Common mistakes in Unemployment

Confusing frictional and structural unemployment.
Both involve people without jobs who are searching, so they look alike.
Fix: Ask whether suitable jobs exist. If jobs exist and the person is just between them, it is frictional. If the person's skills or location do not fit the jobs available, it is structural.
Calling unemployment from a recession structural.
Students see job losses in a declining sector and assume the industry has changed permanently.
Fix: If the cause is a general fall in demand across the economy, it is cyclical. If a particular industry is permanently shrinking, it is structural.
Using total population as the denominator for the unemployment rate.
Students forget the labour force is a smaller group.
Fix: Always use the labour force, which is the employed plus the unemployed.
Counting students, retirees or people not looking for work as unemployed.
Everyone without a job seems unemployed in everyday language.
Fix: Only count people who are able, available and actively seeking work. Others are economically inactive.
Giving only negative effects of unemployment on business.
Students think unemployment is bad for everyone.
Fix: Mention that demand falls, but recruitment becomes easier and wage pressure may ease. Show both sides when asked about effects on business.

Worked examples

Example 1

A country has 45 million people employed and 5 million people unemployed. A further 20 million working-age people are students, retired or not looking for work. Calculate the unemployment rate.

Show the solution

Labour force = employed + unemployed = 45 million + 5 million = 50 million.
The 20 million economically inactive people are not part of the labour force.
Unemployment rate = 5 ÷ 50 × 100% = 10%.

Answer: The unemployment rate is 10%.

Example 2

A coal mining region closes its mines. Many former miners cannot find work because they lack the skills needed in the new technology firms opening in a city 400 km away. Identify the main type of unemployment and explain one effect on local businesses.

Show the solution

Clue: an industry has declined and workers have the wrong skills and live in the wrong place.
This is a mismatch of skills and location, so the main type is structural unemployment.
It is not cyclical, because the cause is not a general fall in demand in the economy.
Effect on local businesses: with fewer people earning wages, local spending falls, so shops and services in the region lose sales.

Answer: Structural unemployment. Local businesses face lower consumer demand as household incomes in the region fall.

Exam tips

Most objective test questions give a short scenario. Find the cause first, then name the type.
Know the difference between claimant count and labour force survey measures, and why the survey is better for international comparison.
In calculations, check the denominator is the labour force. Examiners often include inactive people as a trap.
For effects questions, separate the economy from business and give a point for each.
Link unemployment to the business cycle and government policy. Cyclical unemployment ties to demand management, structural to supply-side policy.

Practice questions from Macroeconomic factors

Unemployment in other exams

The same ground in other exams, if you are preparing for more than one or want another angle on it.

Actuarial Core Principles (IAI)Unemployment: Types, Measurement and Causes

Unemployment: frequently asked questions

What is the difference between structural and frictional unemployment?

Frictional unemployment is short-term and happens while workers move between jobs, even though suitable jobs exist. Structural unemployment is long-term and happens because workers' skills or location do not match the jobs available. Retraining and relocation help with structural unemployment.

What causes cyclical unemployment?

It is caused by a fall in total demand in the economy, usually during a recession. Firms sell less and cut staff across many industries. It tends to fall when the economy recovers.

How is unemployment measured?

Two common methods are the claimant count, which counts people claiming unemployment benefits, and the labour force survey method used by the ILO, which counts people without a job who are available and actively seeking work. The rate is the unemployed divided by the labour force, as a percentage.

How does unemployment affect businesses?

High unemployment usually reduces consumer spending, so sales may fall. It can make recruitment easier and reduce wage pressure. Low unemployment does the opposite: demand is strong but hiring is harder and wages rise.