In another study, Watcharejyothin and Shrestha (2009) analyzed the effects of energy resource development and energy security under CO2 emission constraint in the greater Mekong sub-region countries (GMS).
The study found that would benefit from the expansion of regional energy resource integration in terms of lower energy systems costs and better environmental qualities. The total energy system cost under the joint CO2 emission reduction strategy would be less costly than that under the individual emission targets set for each country.
In the GMS is found to improve energy security, reduce energy import and fossil fuels dependences and increase volume of power trade with in the region.