독점규제법 위반행위로 인한 손해배상소송에 있어서 경제적 증거에 대한 규범통제

The role of expert testimony is very important in antitrust damage suits, especially in estimation of the amount of damages using econometric techniques. However, as lay judges are not familiar with statistical methodologies on which economic evidence based, concerns have been raised regarding the quality and integrity of expert testimony. In spite of differences in civil law procedures, testimonies of expert witness as in the U.S. courts can also be used as economic evidences in Korean courts. In evaluating economic evidences, the Daubert test of U.S. about relevance and reliability of evidences can help in our antitrust cases. Implementing abilities of courts filtering is necessary. We may expect that judges can assess economic evidences with the help of the expert commissioner under the Civil Procedure Act. We seek to estimate correct amount of damages, however, a counter-factual world which economic evidences suggest contains unknown certainty. Too much emphasis on correctness is impractical. Even though we must avoid mere speculation or guess in estimating damages, the danger of uncertainty bears on infringer.