다만, 하우스만 검정 결과, RE 모형의 편의가 확인된 만큼, HT 모형에 의한 추정치들을 기준으로 회귀 계수를 살펴본다.
However, since the convenience of the RE model was confirmed as a result of Hausman test, we look at the regression coefficient based on the estimates by the HT model.