College Towns p r omote the devel opment of higher educati on, t o s ome extent, by clustering effect, and, meanwhile, have great driving effect on urban economy . Although Chongqing College Town was initiated in 2003 in invest ment and constructi on, the Town has obvi ous driving effect on Chongqing l ocal economy, has bigger driving effect on secondary and tertiary industry and has unclear contributi on t o p ri mary industry .