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논문 기본 정보

자료유형
학술저널
저자정보
이희정 (차의과학대학교) 이립 (Corporate Value Innovation Div., Korea Management Association Consultants Inc.) 송광호 (Corporate Value Dept., Korea Management Association Consultants Inc.) 김장현 (군산대학교)
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한국유통경영학회 유통경영학회지 유통경영학회지 제27권 제4호
발행연도
2024.8
수록면
99 - 108 (10page)

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Purpose: This study investigates the impact of KCSI announcements on stock prices from 2019 to 2022, focusing on abnormal returns (AR) and cumulative abnormal returns (CAR) during the event period (-2 days to +2 days) to understand immediate and sustained market reactions. It also examines whether the impacts differ between companies ranked 1st to 2nd and those ranked 3rd or lower by comparing their abnormal returns, assessing if top-ranked companies receive more favorable market responses. Additionally, the study analyzes the differences in the impact of KCSI announcements on stock prices between the manufacturing and service sectors, exploring sector-specific factors influencing investor responses and providing insights into why the service sector may react more strongly to customer satisfaction announcements compared to the manufacturing sector. Research design, data, and methodology: This study employs an event study methodology to investigate the influence of KCSI announcement on firm value. In order to conduct this study, we analyzed companies that are listed on the KOSPI and KOSDAQ, as well as companies that are listed on the KCSI certification system of the Korean industry from 2019 to 2022. The period under consideration was from 2019 to 2022. The analysis covered approximately 370 products and services for each year in 10 industries, and was limited to companies that provide these products and services. Results: Results showed that KCSI announcements generate positive short-term abnormal returns (AR), with a significant AR of 0.385% on the day following the announcement. Top-ranked companies (1st and 2nd) experienced significant positive AR, while lower-ranked companies did not. The study suggests dual promotion of both 1st and 2nd ranked companies to maximize market impact. Sector analysis revealed significant positive reactions in the service industry but not in manufacturing, highlighting the importance of customer satisfaction in service sectors. Enhanced customer satisfaction in services leads to increased loyalty, positive word-of-mouth, and revenue growth.First, we find that the announcement of KCSI results generates abnormal returns on the day after the event, but the cumulative abnormal returns are statistically insignificant. Second, when we separate KCSI rankings into first-, second-, and third-ranked firms, we find that the first- and second-ranked firms experience have a significant abnormal returns on the day after the announcement, but the third-ranked firms have no effect on stock prices. Finally, we find that the effect of KCSI announcements is significant in the service industry, but not in the manufacturing industry. Implications: The anticipation of the KCSI index announcement may be favorable in the short term, but it does not contribute to increasing the value of the company in the medium to long term. In addition, we believe that it would be more beneficial to provide information on the second-ranked companies as well as the first-ranked companies. It is necessary to explore how KCSI can contribute to corporate profits in the manufacturing industry.

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