Work in the light of investment.

Nowadays, entrepreneurship is one of the main concerns for many managers. Using entrepreneurs and investors\' innovative ideas can provide a source for great changes in organizations and for dynamic economic development in a country. On the other hand, by have a quick look at many successful organizations, we can find out that in order to be the best in the field of global competition and earn a major share of business market, they created new commercial opportunities and made the global markets more dynamic by spreading entrepreneurial culture at all levels of organizations, allocating credits, motivating, planning and policy, supporting managers and creating entrepreneurial teams in organizations. Entrepreneurship is considered as one of the cheapest instruments which cause the best results and has maximum efficiency for economic development of a community, therefore; the culture which is required for this goal is so important. In this paper, we discuss about entrepreneurship, its types, investment and risk-taker investment.