Choice "B" is correct. Cyclical Unemployment is caused by the business cycle. It tends to rise during a recession and fall during an expansion.
Choice "d" is incorrect. Mismatch of skills and jobs in the economy is an example of structural unemployment, not cyclical unemployment.
Choice "c" is incorrect. The time lag that individuals experience between jobs is an example of frictional unemployment.
Choice "a" is incorrect. Fluctuations in employment as a result of seasonal demand is an example of seasonal unemployment.
