Frictional unemployment is:

A. unemployment that is due to the friction of competing ideological systems.

B. unemployment caused by lack of training and education.

C. unemployment caused by automation in the workplace.

D. unemployment that is due to normal turnover in the labor market.

D. unemployment that is due to normal turnover in the labor market.

Explanation:

Frictional unemployment occurs as as result of normal movement of workers in an economy due to changing of jobs. It is also called transitional employment.

This type of employment can occur even when there is full employment in the economy and people want to move from one job to the other.

Frictional unemployment could be due to quitting, termination, seasonal employment, or term employment.