A. structural unemployment
B. disguised unemployment
C. residual unemployment
D. frictional unemployment
Correct Answer: Option A
A. structural unemployment
Explanation
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. Structural unemployment is often brought about by technological changes that make the job skills of many workers obsolete.
it is simply unemployment caused by a mismatch between jobs and skills, or other long-term changes in the economy.