(1)生產(chǎn)消費(fèi)同時(shí)進(jìn)行; (2)不能儲(chǔ)存; (3)無形性; (4)可不跨國界實(shí)現(xiàn); (5)但要素流動(dòng)實(shí)現(xiàn)
(1)優(yōu)惠性貿(mào)易安排; (2)自由貿(mào)易區(qū); (3)關(guān)稅同盟; (4)共同市場; (5)經(jīng)濟(jì)同盟; (6)完全經(jīng)濟(jì)一體化