Final answer:
Frictional unemployment occurs while workers and employers are in the process of finding a better job match, and is considered a natural aspect of a dynamic economy.
Step-by-step explanation:
The type of unemployment caused by the time it takes to match workers and jobs is known as frictional unemployment. This type of unemployment occurs because there is always some time required for job seekers to find a new job that better suits their skills, and for employers to find suitable candidates for their vacancies. Even in a strong economy, this natural level of unemployment exists due to the dynamic nature of the labor market.
It is not considered a negative aspect, as it reflects the process of finding better job matches. Frictional unemployment is distinct from structural unemployment, which happens when there's a mismatch between jobs available and the skills or locations of the workforce, and cyclical unemployment, which is related to downturns in the business cycle.