Social capital is a form of economic and cultural capital in which social networks are central, are marked by reciprocity, trust, and cooperation, and market agents produce goods and services not mainly for themselves, but for a common good.
The term generally refers to (a) resources, and the value of these resources, both tangible (public spaces, private property) and intangible ("actors", "human capital", people), (b) the relationships among these resources, and (c) the impact that these relationships have on the resources involved in each relationship, and on larger groups. It is generally seen as a form of capital that produces public goods for a common good.
Social capital has been used to explain the improved performance of diverse groups, the growth of entrepreneurial firms, superior managerial performance, enhanced supply chain relations, the value derived from strategic alliances, and the evolution of communities.
During the 1990s and 2000s the concept has become increasingly popular in a wide range of social science disciplines and also in politics.
The term social capital was in intermittent use from about 1890, before becoming widely used in the late 1990s.
In the first half of the 19th century, had observations about American life that seemed to outline and define social capital. He observed that Americans were prone to meeting at as many gatherings as possible to discuss all possible issues of state, economics, or the world that could be witnessed. The high levels of transparency caused greater participation from the people and thus allowed for democracy to work better. The French writer highlighted also that the level of social participation (social capital) in American society was directly linked to the equality of conditions (Ferragina, 2010; 2012; 2013).
L. J. Hanifan's 1916 article regarding local support for rural schools is one of the first occurrences of the term social capital in reference to social cohesion and personal investment in the community. In defining the concept, Hanifan contrasts social capital with material goods by defining it as: