Unemployment - TCE Economics (Tasmania)
“Explain how unemployment is measured, distinguish between the types of unemployment, and evaluate the economic and social costs of unemployment in Australia.”
Unemployment is the share of the labour force without work but actively seeking it. The ABS measures it through a monthly survey, and economists classify it as cyclical, structural, frictional, seasonal or underemployment. High unemployment carries large economic and social costs.
What this dot point is asking
Full employment is a core macroeconomic objective, and the unemployment rate is its main indicator. This dot point asks you to measure unemployment accurately, distinguish its causes, and evaluate its costs, all using the Australian labour market context.
Measuring unemployment
The Australian Bureau of Statistics measures unemployment through a monthly Labour Force Survey. To be counted as unemployed a person must be of working age, without work, available to start, and actively looking for work. The unemployment rate expresses the unemployed as a percentage of the labour force.
The labour force is the employed plus the unemployed. The participation rate is the share of the working-age population that is in the labour force. These definitions matter because someone who gives up looking (a discouraged worker) leaves the labour force entirely and is no longer counted as unemployed, which can flatter the headline rate.
A person without a job is only unemployed in the official statistics if they are available for and actively seeking work. Discouraged workers who stop looking exit the labour force, so a falling participation rate can hide hidden unemployment.
Types of unemployment
- Cyclical unemployment is caused by a downturn in the business cycle, when weak aggregate demand means firms need fewer workers. It is the type policy targets with demand management.
- Structural unemployment arises from a mismatch between workers' skills or location and the jobs available, often after technological change or industry decline, such as the closure of car manufacturing in Australia.
- Frictional unemployment is the short-term unemployment of people moving between jobs. Some always exists in a healthy, mobile labour market.
- Seasonal unemployment follows predictable patterns through the year, for example in tourism or agriculture.
- Underemployment is not unemployment but a related problem: part-time workers who want and are available for more hours. Australia's underemployment rate is often higher than its unemployment rate.
The non-accelerating inflation rate of unemployment, the lowest rate of unemployment that can be sustained without causing inflation to rise. It corresponds to the economist's idea of full employment.
Full employment and the NAIRU
Full employment does not mean zero unemployment. Some frictional and structural unemployment always remains, so full employment is the level where only these natural types are present and cyclical unemployment is near zero. This level is the NAIRU, in Australia generally estimated at around 4 to 4.5 per cent. Pushing unemployment below the NAIRU tends to accelerate inflation as employers compete for scarce workers.
The costs of unemployment
Unemployment is costly on both economic and social grounds. Economically, it means lost output (the economy produces inside its production possibility frontier), lower incomes and reduced tax revenue, while government spends more on welfare. Skills can also deteriorate, lowering long-term productivity. Socially, prolonged unemployment is linked to poorer physical and mental health, family stress, crime and social exclusion, with costs that fall hardest on the long-term unemployed and on disadvantaged regions.
Step 1: Identify employed and unemployed
Suppose Australia has million employed and million unemployed (without work, available, actively seeking).
Step 2: Find the labour force
Labour force = employed + unemployed = million.
Step 3: Apply the formula
per cent.
Step 4: Interpret
At about 4.1 per cent, the rate is close to common estimates of the NAIRU (around 4 to 4.5 per cent), consistent with near full employment, so most remaining unemployment is frictional and structural rather than cyclical.
Students often assume any rise in unemployment can be fixed by boosting demand. Only cyclical unemployment responds to demand management. Structural unemployment needs retraining and labour-market reform, and frictional unemployment needs better job matching. Diagnose the type before recommending a policy.
A strong answer measures unemployment with the correct definitions, classifies its type, links the type to the right policy response, and evaluates both the economic and social costs, connecting low unemployment to the wider goals of growth and rising living standards.
Exam-style questions
Questions in the style of TASC exam questions on this dot point, each with a worked answer. They are written by ExamExplained unless tagged "Past paper"; the year shows the paper a question is modelled on.
Practice6 marksExplain, giving relevant examples, why 'full employment' does not mean zero unemployment.Show worked answer →
Full employment is the level of unemployment at which there is no cyclical (demand-deficient) unemployment, sometimes called the natural rate or NAIRU (the non-accelerating-inflation rate of unemployment). Even at full employment some people are still measured as unemployed because of frictional and structural unemployment.
Examples to earn the marks:
- Frictional unemployment. People are between jobs or new entrants searching for work, for example a school leaver looking for a first job or someone who has just resigned to find a better position. This takes time even when jobs exist.
- Structural unemployment. A mismatch between workers' skills or location and the jobs available, for example a manufacturing worker whose plant has closed and whose skills do not match the new jobs being created.
Because frictional and structural unemployment always exist in a dynamic economy, full employment corresponds to a positive unemployment rate (commonly estimated around 4 to 5 per cent in Australia), not zero.
PracticeDistinguish between the unemployment rate and the participation rate. Explain how output is impacted if there is an increase in unemployment or a decrease in the participation rate.Show worked answer →
Definitions. The unemployment rate is the number of unemployed expressed as a percentage of the labour force (the unemployed plus the employed). The participation rate is the labour force expressed as a percentage of the working-age population, that is, the share of working-age people who are either working or actively looking for work.
Effect on output:
- An increase in unemployment means a larger share of the labour force is not working, so labour resources sit idle and actual output (real GDP) falls below the economy's productive capacity.
- A decrease in the participation rate means fewer working-age people are in the labour force at all (more are studying, retired or discouraged), shrinking the pool of available labour. This lowers the economy's productive capacity and reduces potential output and growth.
In both cases less labour is being used, so national output is lower than it could be; the participation effect reduces the supply of labour itself, while higher unemployment leaves available labour unused.