In his study De Mello pointed out two ways in which FDI affect economic growth. One ways is thatFDI boost implementation of new technologies in the production process while the other way is that FDI stimulate knowledge transfer through education and acquiring new knowledge and skills of the labor force. A survey conducted by the OECD verifies De Mello's hypotheses. Eleven of fourteen studies confirmed that FDI have a positive impact on the growth of income and productivity.