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This paper investigates the effects of information asymmetry and Credit Rating Agency's reputation on bond yield spread, which is caused by the split bond rating of CRAs. For analysis, We do multivariate analysis, using bond rating and bond yield spread data in Korea from 2004 to 2015. The empirical results are as follows.

First, we examines whether information asymmetry affects the bond yield spread. using split rating data. As a result, the information asymmetry measured by split rating variable is significant, which supports the information asymmetry hypothesis. Additionally we can find bond yield spread is decided by negative credit grade rather than positive credit grade under split rating condition.

Next, we examines the relationship between the CRA’s reputation and the bond yield spread in case of split rating. Here, samples were divided into full samples and split rating samples. Summarizing the result, both samples are suggest similar result, the bond yield spread is changed depending on the specific CRA’s grading which having conservative rating tendency.

Thus, This result suggest information asymmetry caused by split rating and CRA’s reputation measured by CRA’s rating tendency affect bond yield spread in Korea

This paper reviews the history of OCIO (outsourced chief investment officer) and surveys the critical success factors of OCIO business in Korea. The market size of OCIO business in Korea has rapidly grown up, and the asset management for the retirement pension fund is expected to be the blue ocean for OCIO business. Survey study for OCIO business shows that the main interest of incumbent OCIOs and the potential candidates of Korea is the profitability, although OCIOs in the major foreign financial markets have their main interest in the risk management and/or the effectiveness of in-house supports. This result suggests that the potential OCIOs who prepare the entrance to the OCIO business should consider the needs and/or the purpose of the OCIO adopters and their practical constraints. OCIOs should develop their own unique professional field rather than the general expertise. Also, the Korean financial regulator is supposed to introduce the financial institutions specialized in OCIO business only.

In this study, we would be interested in knowing how commercial banks use derivatives and analyze its effect on the firm vale in Korea. We find that the derivatives transaction by banks increases during the analysis period and that banks use the derivatives mostly for speculation rather than hedging. Foreign exchange risk is mostly concerned for the purpose of risk hedging, and forward and/or futures are preferred to other derivatives such as option or swap. We also find that the usage of derivatives has a positive effect on the firm value of Korean commercial banks.

In this paper we analyze the incentives of derivatives usage and its effect on the risk management and value of firms in Korea. We find that Korean non-financial firms use derivatives not only by the economic incentives to hedge risks but also by the irrational incentives such as the profitability of derivative usage in the previous year. Further results show that the usage of derivatives has a negative effect on the risk management of the firm, which results in the decrease of the firm value. These results show that investors have doubt about the incentives and the effects of derivatives usage in Korea.

This paper investigates a retrospective on the Journal of Derivatives and Quantitative Studies (JDQS) on its 30th anniversary based on bibliometric. JDQSs yearly publications, citations, impact factors, and centrality indices grew up in early 2010s, and diminished in 2020. Keyword network analysis reveals the JDQS's main keywords including behavioral finance, implied volatility, information asymmetry, price discovery, KOSPI200 futures, volatility, and KOSPI200 options. Citations of JDQS articles are mainly driven by article age, demeaned age squared, conference, nonacademic authors and language. In comparison between number of views and downloads for JDQS articles, we find that recent changes in publisher and editorial and publishing policies have increased visibility of JDQS.