지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국지능시스템학회 INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGENT SYSTEMS INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGENT SYSTEMS Vol.21 No.1
- 발행연도
- 2021.3
- 수록면
- 49 - 56 (8page)
- DOI
- 10.5391/IJFIS.2021.21.1.49
이용수
초록· 키워드
오류제보하기
Stock prices and bond interest rates are inversely related. The current account plays the most important role in the rise of composite stock index. When the trade surplus increases, stock prices rise sharply. Conversely, when the exchange rate and government bond interest rates increase, the composite stock index decreases. The stock index is influenced by several economic variables, politics, the economy, and investment sentiment. In real situations, such financial variables are mostly fuzzy variables. For example, the Korea Composite Stock Price Index (KOSPI) is recorded based on the closing price. However, the daily KOSPI has many values, such as the open price, low price, and high price; therefore, if only the closing price is used for analysis, only partial information is. To analyze the relationship between KOSPI-related variables, the KOSPI, stock deposits, government bond interest rates, and foreign security investment data are applied. We investigated the mediated relation of variables, known as mediation analysis. In particular, we implemented fuzzy mediation analysis owing to the ambiguity of given data. In the data analysis, we proposed several fuzzy mediation models using fuzzy transformed data.
목차
Abstract
1. Introduction
2. Fuzzy Mediation Analysis
3. KOSPI-Related Data
4. Data Analysis
5. Conclusion
References
참고문헌 (10)
참고문헌 신청
L.A. Zadeh / 1965 / Fuzzy sets / Information and Control 8(3):338~353
J. H. Yoon / 2020 / Fuzzy mediation analysis / International Journal of Fuzzy Systems 22(1):338~349
US Federal Reserve Bank key rates / Countryeconomy.com
Bloomberg / title of news article
Bank of Korea / Economic statistics system
J. H. Yoon / 2020 / Fuzzy mediation analysis / International Journal of Fuzzy Systems 22(1):338~349
US Federal Reserve Bank key rates / Countryeconomy.com
Bloomberg / title of news article
Bank of Korea / Economic statistics system
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