An advisor to former U.N. Secretary-General Ban Ki-moon, a potential presidential contender, on Tuesday offered a glimpse into his economic policy that aims to upgrade South Korea's capitalism model blamed for economic polarization. Speaking to Yonhap News Agency, Kwak Seung-jun, an economics professor at Korea University, put forward three key words to outline Ban's economic policy: "warm" market economy, upgraded capitalism and institutions in line with global standards.