Mary would be counted as an example of: structural unemployment.
Structural unemployment can be defined as the situation where a person remain unemployed due to restructuring of the person formal place of work or due to changes in the economy.
This person may tend to find it difficult getting another job despite jobs are available because the skills the person has does not match the skills an employer of labor is looking for.
Inconclusion Mary would be counted as an example of: structural unemployment.
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