http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Product Market Competition, Business Groups, and Stock returns
Doowon Ryu(류두원) 한국경영학회 2017 한국경영학회 통합학술발표논문집 Vol.2017 No.08
This paper empirically shows that stock returns of firms in business groups are significantly lower than nonbusiness group firms when the product market competition increases. Using the U.S.-Korea Free Trade Agreements as an exogenous shock, we examine the effect of the changes in product market competition on the stock returns of business groups. Difference-in-difference-in-differences estimations support the casual impact of product market competition on stock returns of business groups. Overall, the results support the creative selfdestruction theory for stock returns. Moreover, we suggest evidence that large business groups, such as chaebol may can reduce the external risk through the internal capital market.
류두원(Doowon Ryu),류두진(Doojin Ryu),양희진(Heejin Yang),홍기택(Kyttack Hong) 한국경영과학회 2015 한국경영과학회지 Vol.40 No.4
Through the event study methodology and the case study on the Company T and its subsidiaries, this study analyzes the effect of credit rating downgrade in the Korean stock market. Our empirical results cast some doubts on whether credit rating agencies made adequate credit rating adjustments on the Chaebol companies, and suggest that little information was provided to the bond market investors. This study provides some policy implications by recommending that regulators encourage credit rating agencies to provide more accurate and appropriate information to market participants.
국제 전략적제휴가 기업성과에 미치는 영향: 회계적 변수를 기반으로 한 제휴유형간 차이 분석을 중심으로
류두원 ( Doowon Ryu ),나원찬 ( Wonchan Ra ) 한국국제경영학회 2017 國際經營硏究 Vol.28 No.1
This paper investigates whether international strategic alliances have a different effect on firm performance by alliance type. Specifically, this paper focused on typical alliances such as equity alliances, non-equity alliances, joint ventures, R&D alliances and licensing. Four hypotheses were established regarding the differences of their effects on firm performance between equity and non-equity alliances, between joint ventures and R&D alliances, between joint ventures and licensing, and between R&D alliances and licensing. An empirical test of these hypotheses was conducted using data on the alliances between Korean and foreign firms. In doing so, this paper utilized accounting-based independent and dependent variables which Christoffersen (2013) and Christoffersen et al. (2014) have suggested were most relevant. The test results indicate that contrary to conventional belief, equity-based alliances have not shown a larger effect on firm performance than non-equity based ones and that R&D alliances had the most significantly positive effect on firm performance among diverse types of alliances.