The international investment regime faces broader chal-lenges, as reflected especially in the discussions regarding the investor-state dispute-settlement mechanism and the quest to make the international investment regime more oriented toward sustainable development objectives and to strengthen disciplines for the behavior of multinational enterprises. A number of options of how the regime can be improved are laid out in this article, including engaging in fact finding processes; establishing consen-sus-building working groups; formulating a model international investment agreement; building specific mechanisms to improve the investment re-gime;and commencing intergovernmental processes.An international in-vestment consensus-building process is advocated to facilitate the improve-ment of the international investment regime.
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