Structural unemployment is a form of involuntary unemployment caused by a mismatch between the skills that workers in the economy can offer, and the skills demanded of workers by employers (also known as the skills gap). Structural unemployment is often brought about by technological changes that make the job skills of many workers obsolete.
Because it requires either migration or re-training, structural unemployment can be long-term and slow to fix.
From an individual perspective, structural unemployment can be due to:
From a larger perspective, there can be a number of reasons for structural unemployment across large numbers of workers:
Large-scale changes in the economy can be particularly challenging. For example, if a large company is the only employer in a given industry for a certain city, when it closes workers will have no competing company to move to, and the local education system and government will be burdened with many people who need job re-training all at once (possibly at the same time the local economy fails to create new jobs due to decreased overall demand).
Employers may also reject workers for reasons unrelated to skills or geography, so for example structural unemployment can also result from discrimination.
While temporary changes in overall demand for labor cause cyclical unemployment, structural unemployment can be caused by temporary changes in demand from different industries. For example, seasonal unemployment often affects farm workers after harvesting is complete, and workers in resort towns after the tourist season ends. The dot-com bubble caused a temporary spike in demand for information technology workers, which was suddenly reversed in 2000-2001.
Structural unemployment is often associated with workers being unable to shift from industry to industry, but it can also happen within industries as technology changes the nature of work within a given field. This is a driver of skills gaps as technology and globalization "hollow out" many middle-skill jobs, positions that traditionally have not required a college degree.
Structural unemployment is hard to separate empirically from frictional unemployment, except to say that for any given individual it lasts longer. As with frictional unemployment, simple demand-side stimulus will not work to easily abolish this type of unemployment.
Seasonal unemployment may be seen as a kind of structural unemployment, since it is a type of unemployment that is linked to certain kinds of jobs (construction work, migratory farm work). The most-cited official unemployment measures erase this kind of unemployment from the statistics using "seasonal adjustment" techniques.
Structural unemployment may also be encouraged to rise by persistent cyclical unemployment: if an economy suffers from long-lasting low aggregate demand, it means that many of the unemployed become disheartened, while their skills (including job-searching skills) become "rusty" and obsolete. Problems with debt may lead to homelessness and a fall into the vicious circle of poverty. This means that they may not fit the job vacancies that are created when the economy recovers. The implication is that sustained high demand may lower structural unemployment. This theory of persistence in structural unemployment has been referred to as an example of path dependence or "hysteresis."
There has been considerable debate over how much a role structural unemployment plays in the persistently high unemployment rates seen in much of the world since the 2007-09 global recession. Narayana Kocherlakota, then president of the Federal Reserve Bank of Minneapolis, said in a 2010 speech that as much as 3 percent of the 9.5 percent unemployment rate at the time could be the result of a mismatch. Other studies argued that a skills mismatch was a minor factor, since unemployment rose for nearly all industries and demographic groups during the "Great Recession." A Federal Reserve Bank of New York study found no strong evidence of mismatch for construction workers, a group often alleged to be prone to structural unemployment because of the regional nature of construction.
Some economists posit that the minimum wage is in part to blame for structural unemployment, although structural unemployment does exist even in the absence of a minimum wage. They assert that because the governmentally imposed minimum wage is higher than some individuals' marginal revenue product in any given job, those individuals remain unemployed because employers legally cannot pay them what they are "worth." Others believe that in such cases (for example, when a person is intellectually disabled or suffers a debilitating physical condition) it is the responsibility of the state to provide for the citizen in question. When a minimum wage does not exist, more people may be employed, but they may be underemployed and thus unable to fully provide for themselves.
Management professor Peter Cappelli blames poor human resource practices for complaints that not enough qualified job applicants are found, such as replacing skilled HR workers with software that is less capable of matching resumes that exhibit the right combination of skills but without word-for-word alignment with a job posting. (This actually may be a form of frictional unemployment if a match will eventually be made, perhaps with a different employer.) Cappelli also points to a decrease in apprenticeships and hiring from within an organization. Instead, companies attempt to avoid the time and cost of on-the-job training by hiring people from who already have experience doing the same job elsewhere (including at a competitor).
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