随着投资自由化时代的到来,国民待遇条款重获关注。然而,在义务承担方式的选择问题上,各国意见不一。考虑到“否定清单”模式令缔约国所承担的条约义务过高,在未来缔结国际投资协定时,中国应区分外资准入阶段和营运阶段,分别采取“肯定清单”和“否定清单”的模式,以消除准入阶段国民待遇义务所可能带来的不利影响。 With the advent of an era of investment liberalization, national treatment clauses have regained attention. However, different countries have different opinions on the choice of the mode of obligation commitment. Considering that the “Negative List” mode makes the treaty obligations undertaken by the signatories too high, China should make a distinction between foreign investment access and operation stages in the future concluding of IIAs, adopting “positive list” and “negative” respectively List "model to eliminate the possible adverse effects of national treatment obligations during the access phase.