NUS Economics Society | 723 followers on LinkedIn. Official NUS Economics Society | NUS Economics Society (ECS) is a student-led organisation established in 1961. With a rich history spanning across more than 50 years, NUS ECS has been constantly evolving and improving itself to cater to the needs of the NUS Economics student population. ​ Vision: To become the hearth of NUS Economics where communities are forged, ideas are deliberated and innovation is cradled. ​