Answer:
d.imperfect information and temporary periods of unemployment while workers are changing jobs
Step-by-step explanation:
Frictional unemployment is also known as search unemployment. It is the type that exists within a period of time when people are trying to move from one job to another. It is a type of unemployment caused by wrong or imperfect information. Examples includes
a. A temporary job.
b. Contract based job.
c. Seasonal employment or seasonal job, etc.