On the other hand, the private sector is the part of the country’s economy that is under control of the corporations and the private individuals. Others spend a few years after graduation in the private sector and then move into public service work. Generally the public sector needs to step in the picture when the monopoly is taken over by the private sector and the citizens are being exploited. The nonprofit sector is separate from both the public and private sectors, but it may collaborate with either of them at any given time. The primary difference between public- and private-sector jobs is that public-sector jobs are generally within a government agency, whilst private-sector jobs are those where employees are working for non-governmental agencies. In a private system, public users become customers, and theoretically private companies are customer oriented, which should have the effect to improve the quality of service. The public sector is more linked with giving services to the people of the country. The private sector is profit driven, therefore managers in private companies have an incentive to cut costs and be more efficient. This includes jobs within individual businesses as well as within other types of company organizations. It is the people in the lower class that feels the most burdensome and needs to be protected in which case the public sector provides for the essential services such as public transport. The public sector is the part of the nation’s economy that is under control of the government. To investigate the public service motivation (PSM) of public- and private-sector employees in a Chinese context, comparative studies were conducted with 2 independent samples. Zapico-Goni and Wholey (2007) conclude the quality of the customer services in public sector to be less effective than customer service experience in private sector in many levels. Public service is a service intended to serve all members of a community. Many students who are public service minded spend a summer, or part of a summer, working in the private sector. The main purpose of an NGO (non-governmental organization) is to help the public in some way, so profit is not a governing factor.