Economist Gary Becker, refers to human capital as the knowledge, habits, social and personality attributes, and the ability to perform the job. Investing more education and training, monitoring performance, and hiring qualified people are all ways that a company can improve the human capital within their organization.
Service sector jobs are simply jobs that involve customer service or retail. Service economy jobs tend to be extensive in capitalist and mixed economies around the world. They are relatively low paying and entry level.