Economic Control Based on Four-Element Connection Numbers Control

The market economic system is a large complex system. In this paper, we define Four-Element Connection Numbers Control which combines Set Pair Analysis, Extension Methods, etc, applies to economic control, which is efficient and accurate response to the state and trend of the economic system, could control the economic potential develop to the direction of our expectations. At last, we provide the method of prediction system and automatic control based on FECNC, and applies it to the system prediction of export economy.