... relevant economic theories which are introduced in the Chapter of the thesis By applying economic theories, the roles and mechanisms of international agreements in conservation of global environmental ... debate and its implication to Vietnam, Vietnam s new membership of WTO, CDM and Vietnam, are all examined in this chapter Particularly, the implication of Vietnam s new membership of WTO is examined ... game theories New findings out of the thesis This thesis presents the following new findings (1) New findings related to theory (a) A new economic equation to relate two levels of sustainable...