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Competition between Online Stock Message Boards in Predictive Power : Focused on Multiple Online Stock Message Boards

첫 페이지 보기
  • 발행기관
    한국경영정보학회 바로가기
  • 간행물
    Asia Pacific Journal of Information Systems KCI 등재 바로가기
  • 통권
    제26권 제4호 (2016.12)바로가기
  • 페이지
    pp.526-541
  • 저자
    Hyun Mo Kim, Jae Hong Park
  • 언어
    영어(ENG)
  • URL
    https://www.earticle.net/Article/A291357

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원문정보

초록

영어
This research aims to examine the predictive power of multiple online stock message boards, namely, NAVER Finance and PAXNET, which are the most popular stock message boards in South Korea, in stock market activities. If predictive power exists, we then compare the predictive power of multiple online stock message boards. To accomplish the research purpose, we constructed a panel data set with close price, volatility, Spell out acronyms at first mention.PER, and number of posts in 40 companies in three months, and conducted a panel vector auto-regression analysis. The analysis results showed that the number of posts could predict stock market activities. In NAVER Finance, previous number of posts positively influenced volatility on the day. In PAXNET, previous number of posts positively influenced close price, volatility, and PER on the day. Second, we confirmed a difference in the prediction power for stock market activities between multiple online stock message boards. This research is limited by the fact that it only considered 40 companies and three stock market activities. Nevertheless, we found correlation between online stock message board and stock market activities and provided practical implications. We suggest that investors need to focus on specific online message boards to find interesting stock market activities.

목차

ABSTRACT
 Ⅰ. Introduction
 Ⅱ. Literature Reviews
 Ⅲ. Methodology and Empirical Analysis
  3.1. Sample
  3.2. Unit Root Test
  3.3. Vector Auto-Regression
 Ⅳ. Conclusion
  4.1. Overview of Study
  4.2. Our Research has Academic and Practical Implications
  4.3. Research Limitations
 

키워드

Online Stock Message boards Efficient Market Hypothesis Stock Market Forecasting Predictive Power Competition Unit Root Test Vector Auto-Regressive

저자

  • Hyun Mo Kim [ Assistant Professor, College of General Education, Dong-A University, Korea ]
  • Jae Hong Park [ Associate Professor, School of Management, Kyung Hee University, Korea ] Corresponding author

참고문헌

자료제공 : 네이버학술정보

간행물 정보

발행기관

  • 발행기관명
    한국경영정보학회 [The Korea Society of Management information Systems]
  • 설립연도
    1989
  • 분야
    사회과학>경영학
  • 소개
    이 학회는 경영정보학의 연구 및 교류를 촉진하고 학문의 발전과 응용에 공헌함을 목적으로 합니다.

간행물

  • 간행물명
    Asia Pacific Journal of Information Systems
  • 간기
    계간
  • pISSN
    2288-5404
  • eISSN
    2288-6818
  • 수록기간
    1990~2026
  • 등재여부
    KCI 등재,SCOPUS
  • 십진분류
    KDC 325 DDC 658

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