The research literature that reports on Impact of Organizational Project Benefits Management is quite large and rather fragmented; while many have dealt with the pre-adoption problems, many more have studied problems during and after the adoption of Organizational Project Benefits Management.
Literally, the word “Outsourcing” means obtaining profit through external resources. The word “outsourcing” indicates the reception of the services from the external service providers (Yang, 2007). Mr. Weidenbaum and his colleagues consider outsourcing in fact the outsourcing to a group outside the organization, an attempt to overcome the organization's financial difficulties and to increase the profitability and efficiency. Some people consider outsourcing as a way of maintaining or increasing the competition among the companies (Weidenbaum, 2005). The definitions of outsourcing from the perspective of the researchers in the field have been placed in table 1.