Unemployment
In one line. Unemployment is the state of being able and willing to work and actively seeking a job but unable to find one, measured as a share of the labour force. The three types, cyclical from falling AD, structural from a skills mismatch, and frictional from search frictions, each have a different cause and so a different matched policy.
Exam relevance: a core A Level Economics topic, on ETG analysis of the last ten years. Taught the way an economics tutor who wrote the answer keys teaches it.
01What unemployment is
Unemployment is the state of being able and willing to work and actively seeking a job, but unable to find one, and the marks turn on identifying the right type from its cause.
Unemployment refers to people of working age who are without a job but are able, available and actively seeking work. The unemployed are part of the labour force, the unwilling or unavailable are not.
That last point matters: a person without a job who is not seeking one, a full-time student or a retiree, is outside the labour force and not classed as unemployed. The reason unemployment is treated as a macro problem is that it represents lost output the economy could have produced, lost income for the individual, and a drain on government finances. But the policy response depends entirely on which type of unemployment is present, so identification comes first.
02Measuring the unemployment rate
The unemployment rate expresses the number of unemployed as a share of the labour force, not of the whole population.
The unemployment rate is the number of unemployed people as a percentage of the labour force, where the labour force is everyone of working age who is working or actively seeking work.
Using the labour force as the base, rather than the total population, is what makes the figure meaningful: it captures the share of those who want to work but cannot. A change in the rate can therefore come from a change in the number unemployed or from a change in the size of the labour force, which is worth keeping in mind when a question gives the headline figure.
03Cyclical (demand-deficient) unemployment
Cyclical unemployment arises when aggregate demand falls or rises too slowly, pulling output below full employment so firms cut jobs, and its matched cure is demand management.
This is the demand-side type. A fall in any AD component, a recession, an export collapse, falling investment, lowers output below the full-employment level, and firms shed workers in response. Because the cause is deficient aggregate demand, the matched cure is demand-side policy: expansionary fiscal policy, expansionary monetary policy, or for an open economy a depreciation to raise net exports. The discriminator across an essay is pairing cyclical unemployment with a demand-side cause and a demand-side policy, distinct from the two supply-side and search types below.
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04Structural unemployment
Structural unemployment arises from a mismatch between the skills or location of workers and the skills or location that employers demand, and it is not cured by raising aggregate demand.
It is caused by changes in the structure of the economy: automation, technological disruption, shifts in comparative advantage and declining industries. A worker whose skills no longer match the jobs available stays unemployed even when total demand is healthy, so raising AD does not help. The matched cure is supply-side policy, retraining, education and labour-market reform to improve mobility, which works only with a lag. Recognising structural unemployment as a supply-side problem needing supply-side tools, distinct from cyclical, is exactly what an essay rewards.
05Frictional unemployment
Frictional unemployment is the short-term, transitional unemployment of workers moving between jobs, and it exists even at full employment.
Its cause is imperfect labour-market information and the time it takes to search for and match to a new job, not a shortfall in demand or a skills mismatch. Because of that, the matched policy is better job-matching information, through job centres and online platforms, rather than AD stimulus or large-scale retraining. Frictional unemployment is the third type that completes a causes-of-unemployment answer; a small frictional rate is consistent with full employment and should not be over-treated.
Cyclical comes from falling AD and needs demand management. Structural comes from a skills mismatch and needs supply-side retraining. Frictional comes from search and information frictions and needs better job-matching. One tool does not fix all three.
06Consequences and the policy hook
Unemployment carries costs for the individual, for firms and for the government, and the policy that follows depends on the type identified.
For the individual, unemployment means lost income, deskilling and stress; for the economy, it is lost output that can never be recovered; for the government, it means lower tax revenue and higher welfare spending. The policy hook follows directly from the type: demand management for cyclical, supply-side reform for structural, and information measures for frictional. The depth of the evaluation, weighing time lags, the dampened multiplier and the need for a policy mix, is where the higher marks sit and is reserved for the policy and Singapore application material.
07Test yourself
- Explain how the unemployment rate is calculated, and why the labour force, not the population, is the base.
- An economy enters a recession after an export collapse. State the type of unemployment this causes and the matched policy.
- Explain why expansionary fiscal policy cannot cure structural unemployment.
08Questions students ask
The three types to know are cyclical (demand-deficient) unemployment, caused by a fall in aggregate demand in a recession; structural unemployment, caused by a mismatch between workers' skills or location and what employers demand; and frictional unemployment, the short-term unemployment of people moving between jobs. Each has a different cause, so each needs a different policy, which is why matching the type to the cause is the exam discriminator.
The unemployment rate is the number of people unemployed as a percentage of the labour force, where the labour force is everyone of working age who is either working or actively seeking work. People who are not seeking work, such as students or the retired, are outside the labour force and are not counted as unemployed.
Demand-side policy, such as expansionary fiscal or monetary policy, is the matched cure for cyclical (demand-deficient) unemployment, because that type is caused by a fall in aggregate demand. It does not cure structural unemployment, which needs supply-side retraining, or frictional unemployment, which needs better job-matching information. Using one tool for all three types is the central error examiners look for.