학위논문(석사) -- 서울대학교대학원 : 경영대학 경영학과, 2021.8. 명준구.With the emergence of new technologies and due to the recent COVID-19 pandemic, e-commerce and its subsequent e-marketplaces are constantly gaining attention. Simultaneous to the popularity, competition is becoming fierce for both e-marketplace operators and its participating sellers. As a result, they are striving for a competitive edge. Incorporating decision-supporting services in e-marketplaces can be considered as a strategic activity for the platform operators, which can enhance the performance of sellers actively using such services. We therefore hypothesize that the usage of decision support systems will lead to an enhanced performance of e-marketplace participants, i.e., sellers. By u...