Optimal access pricing with interconnection obligation. - Ji-Ho Joo; Hyeon-Mo Ku; Jae-Cheol Kim (Inf. Econ. Policy, 2001)

A strategic analysis of internet contents market in electronic commerce. - Se-Hak Chun; Jhung-Soo Hong; Ji-Ho Joo; Eunjin Kim; Min-Young Kim; Jae-Cheol Kim (ECIS, 2003)