In industrialized countries in which most people can earn a living only by working for others, being unable to find a job is a serious problem. Because of its human costs in deprivation and a feeling of rejection and personal failure, the extent of is widely used as a measure of workers' welfare. The proportion of workers unemployed also shows how well a nation's human resources are used and serves as an index of economic activity. Economists have described the types of unemployment as frictional, structural, and cyclical. The first form of ....