The Effect of Industry Concentration on the Association between Analyst Coverage and Information Asymmetry산업집중도가 재무분석가 수와 정보비대칭의 관계에 미치는 영향
- Other Titles
- 산업집중도가 재무분석가 수와 정보비대칭의 관계에 미치는 영향
- Authors
- 오현민; 김종현; 박삼복
- Issue Date
- Jun-2019
- Publisher
- 한국회계정보학회
- Keywords
- 산업집중도; 재문분석가 수; 정보비대칭; 일별 주식수익률의 변동성; Industry Concentration; Analyst Coverage; Information Asymmetry; the Volatility of Daily Stock Returns (VOLA)
- Citation
- 회계정보연구, v.37, no.2, pp.139 - 164
- Indexed
- KCI
- Journal Title
- 회계정보연구
- Volume
- 37
- Number
- 2
- Start Page
- 139
- End Page
- 164
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/4130
- DOI
- 10.29189/KAIAAIR.37.2.7
- ISSN
- 1225-1402
- Abstract
- We examine whether analyst coverage affects the extent of information asymmetry in the
Korean market. Also, we examine the influence of industry concentration on the relationship
between analyst coverage and information asymmetry.
In previous studies related to industry concentration, the efficiency and growth rate of firms are increased when industry concentration (competition in the industry) is low (high), and the
moral hazard of managers is decreased, alleviating the agent problem between shareholders
and managers. In this respect, it is expected that the higher the industry concentration, the
greater the emphasis on analysts’ roles as information providers and intermediaries. Therefore,
the influence of industry concentration on the relationship between analyst coverage and
information asymmetry can be evaluated as an empirical problem.
The empirical findings are as follows. First, analyst coverage shows significant negative (-)
relationship with the volatility of daily stock returns (VOLA). Second, when industry
concentration is high, the negative (-) relationship between analyst coverage and asymmetry
of information is strengthened. In additional analysis, when the group is divided by the
median of analyst coverage, information asymmetry is significantly decreased only in the
group with high analyst coverage. This suggests that the influence of analyst coverage on information asymmetry may be differentiated between a group with high analyst coverage and a group with low analyst coverage. In addition, when the group is divided by the median of
HHI, information asymmetry is significantly decreased only in the group with high HHI.
By providing the empirical result that analysts improve the information environment, our results provide important implications for managers, investors, and regulators. In particular, our results will provide implications for regulatory
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