In order to better attract and utilize foreign capital, non-linear programming was used to
investigate the action mechanism of international direct investment and its properties from the
viewpoint of labor and specialization divisions. It was pointed out that international direct
investment is not always favorable for the economic development of an invested country, and
improving the transaction efficiency related to institution plays an important role in attracting foreign
capital. Moreover, to an underdeveloped region, to invest foreign capital in the infrastructure that
can improve transaction efficiency, instead of other industries, is more helpful for its economic
development.