In order to ensure stable retirement life for employees, their rights to receive retirement pension benefits must be guaranteed. The claim that guaranteeing the entitlement to pension benefit is important and that ways to protect entitlement are necessary have been continued, there has been little improvement in this regard since the introduction of the “Retirement Benefit Guarantee Act”. Although this act implements the “Minimum External Funding Ratio Regulation”, the “Wage Bonds Priority Repayment System”, and the “Wage Bonds Guarantee System”, it is insufficient to protect the entitlement to pension benefits. First of all, the “Minimum External Funding Ratio Regulation” has a limitation in that a significant number of companies do not meet the minimum funding ratio, however there is no compulsory punishment for this. Next, the “Wage Bonds Priority Repayment System” and the “Wage Bonds Guarantee System” serves to guarantee workers’ retirement benefit ex-post when employers fail to pay retirement benefit due to bankruptcy or financial difficulty. However, due to the limited coverage, it serves only as a function of guaranteeing the minimum cost of living for employees. In this study, we present a plan to guarantee retirement pension benefit of employees belonging to defined benefit entitlement according to the pension governance structure. In particular, we propose that the retirement benefits of employees under the current contract-based governance structure are guaranteed by the “Retirement Benefit Guarantee Fund,” which separates the retirement benefits from the current “Wage Bonds Guarantee Fund”. In addition, we propose to establish “Pension Benefit Guarantee Fund” operated by Pension Benefit Guarantee Institution to guarantee retirement benefits for members under the funded pension governance structure to be introduced in the near future. However, prior to the introduction of these benefit guarantee systems, it should be implemented on strengthening the regulation of the “Minimum External Funding Ratio Regulation” first. Meanwhile, in order to guarantee the payment of retirement benefit, workers' right to receive benefits must be protected at a reasonable level. In particular, it is necessary to legally establish eligibility criteria for payment guarantees and prohibit guarantees over a certain amount to prevent from moral hazard of employers and financial institutions. In addition, the “Retirement Benefit Guarantee Fund” and the Pension Benefit Guarantee Fund” should be operated under the government's agency along with compulsory subscription rather than voluntary subscription by the choice of the employer or trustee. This is because the government's initiative is needed to alleviate the problems of the payment guarantee mechanism that the aforementioned adverse selection and systematic risk cannot be controlled to some extent. Recently, there has been continuous argument that asset management behavior of retirement pensions should be improved as a way to increase the return on retirement pension assets. The most worrying part about the introduction of default options and fund-type retirement pensions under discussion for this purpose is the fact that the current retirement pension system does not have a practical mechanism to guarantee workers' entitlements. Therefore, in order to increase the subscription rate of the retirement pension and to eliminate blind spots, it is necessary to present a more practical plan to strengthen the right to receive retirement benefits prior to the mandatory introduction of the retirement pension. Although compulsory retirement pension system has the effect of expanding the introduction of retirement pensions in small and medium-sized businesses with relatively weak financial conditions, considering that survival is a priority for companies with poor financial conditions, it may be practically impossible to accumulate retirement benefits outside the company. Therefore, in order to guarantee workers' right to receive retirement pensions, in particular, guarantee and protection of the payment of retirement benefits is a pre-emptive task.

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Using short-window regressions, prior studies have shown that the conditional CAPM performs as poorly as the unconditional CAPM and that unconditional alphas are too large to be explained by the covariance between conditional betas and market risk premium. I examine the extent to which these results are driven by estimation biases in short-window regressions. Even when the true time-varying beta has highly transient components, beta estimates from these short-window regressions can be estimated to highly persistent because of yearly portfolio reformulations that are commonly employed in empirical studies. I show that, under these circumstances, large non-zero alpha estimates from short-window regressions are consistent with the conditional CAPM and the covariance estimates between conditional betas and market risk premium are biased downward and can have large estimation errors.

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In this paper, we develop a new way of measuring the herding behavior of market participants and test herding behavior among investors in Chinese IPO firms, compared with prior methods of herding measure developed by Christie and Huang (1995), Chang, Chen, and Khorana (2000), and Hwang and Salmon (2009). Our proposed new non-parametric herding measure, cross sectional time dispersion (CSTD), is defined differently as dispersion in IPO issuance timing, compared with traditional definitions of herding as dispersion in IPO returns or risk measure. Traditional CSSD, CSAD and beta herding measures do not provide statistically significant or consistent relationship between the herding measures and the IPO firms’ initial or long-term returns. In contrast, the new measure of time herding, CSTD clearly and consistently indicates that investors are affected more by the herding behaviors of IPO firms than by those of investors in the IPO markets in China.

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This study examines how ESG (Environmental, Social, Governance) factors are incorporated in credit ratings in Korea. The empirical results show that ESG scores have, in general, a positive effect on credit ratings, suggesting that corporate ESG is reflected to some extent in credit ratings. Among the factors of ESG, the governance factor has a significant relationship with credit ratings. The result is obvious in that some important governance elements such as internal control devices, disclosure and transparency, and ethical management are included in the aspect of business management risk during credit evaluation. On the other hand, social and environmental factors have a partial or insignificant relationship with credit rating. As social interest in ESG increases, it is highly likely that ESG itself becomes one of the most important determinants on credit ratings in the near future. In such a case, the results of this study can be used as a reference for the decision logic of credit rating reflecting ESG.

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Finance theory suggests that there should be a positive relationship between risk and the risk premium. Investors demand compensation for holding risky assets, and how much compensation they demand is related to both the degree of risk aversion and the amount of risk. Extensive empirical evidence in the past several decades also suggests that risk premium varies over time with strong association with business cycle, which implies that the relation between risk and the risk premium is also likely to vary over time. Motivated by these theory and empirical evidence, we examine time-varying risk-return relationship by estimating the relative risk aversion coefficient using consumption-based measures as state variables, aiming to capture the conditional relation between risk and the risk premium. A number of consumption-based measures have been proposed as forecasting variables for asset returns such as the surplus consumption ratio (Campbell and Cochrane, 1999; Wachter 2006), the labor income to consumption ratio (Santos and Veronesi, 2006), and the consumption-aggregate wealth ratio (Lettau and Ludvgison, 2001). Campbell and Cochrane (1999) introduce habit persistence to their asset pricing model and use the surplus consumption ratio as a proxy for time-varying relative risk aversion and Wachter (2006) uses a proxy for the surplus consumption ratio to extend the model to the bond market. The model of Santos and Veronesi (2003) implies that the ratio of labor income to consumption is inversely related to the conditional covariance between asset return and consumption. Therefore, the ratio is also inversely related to the risk premium. Lettau and Ludvigson (2001, 2005) introduce CAY, which measures deviation of consumption from its stable relationship with wealth. As consumers’ trading of financial assets is motivated by a desire to smooth consumption both over time and across states, CAY has the predictive power for the risk premium. Park, Eom, and Hahn (2019) constructs three consumption-based measures using Korean data and shows that these measures have predictive ability for the equity, bond, and housing risk premia in Korea. Their findings suggest that the consumption-based measures capture the information relevant for time-varying risk premium in Korea and can be used as state variables for empirical analysis. We estimate the relative risk aversion coefficient in the framework of Merton (1973)’s ICAPM by using three consumption-based measures as state-variables for the risk aversion. In constructing four proxies for the surplus consumption ratio, we use two estimation procedures based on Campbell and Cochrane (1999) and Wachter (2006) with two persistency parameter estimates. We follow Park, Eom, and Hahn (2019) to calculate the labor income to consumption ratio and CAY. We use both monthly and quarterly excess return data from April 1988 to March 2016. Two conditional variance models (GARCH(1,1)-M and EGARCH(1,1)-M) are estimated by the overlapping data inference (ODIN) method suggested by Hedegaard and Hodrick (2016). We also include five control variables which are the relative risk free rate, term premium, default premium, business cycle indicator, and industrial production. The main findings are as follows. First, when we use the proxy for the surplus consumption ratio as a state variable, we find a positive relationship between risk and the risk premium. The surplus consumption ratio has the statistically significant explanatory power of the relative risk aversion coefficient. Second, the main results are consistent across various cases of using monthly and quarterly excess return data, using GARCH(1,1)-M and EGARCH(1,1)-M models, and including control variables which are related to business cycle. Third, the explanatory power of the surplus consumption ratio is robust to using four alternative proxies used in this study. Finally, when we use the labor income to consumption ratio by Santos and Veronesi (2003) as a state variable, we also obtain some significantly positive time-varying risk-return relationship. However, we fail to obtain significant results when we use the consumption-aggregate wealth ratio by Lettau and Ludvigson (2001, 2005) as a state variable. Taken together, our empirical findings suggest that the relationship between risk and the risk premium should be investigated in a conditional setting, one of which is the model of Campbell and Cochrane (1999) with time-varying risk aversion.

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The importance of a firm’s innovation is emphasized because the innovation can promote not only a firm’s competitiveness but also viability(Park, Park, and Cho, 2006; Jeon and Lee, 2015). However, in Korea, little literature has been explored the relationship between firms’ innovation and cost of debt capital. Therefore, we investigate the effects of innovation on the cost of debt capital by using KOSPI-listed companies. In addition, we examine if there are any differences in the relationships between innovation and cost of debt capital when companies belong to the high-tech or non-high-tech industries. We also analyze how the interaction term between innovation and pay equality can affect the cost of debt. This paper proxies the level of a firm’s innovation by using the number of granted patents. For this, we collect patent data from KIPRIS(Korea Intellectual Property Rights Information Service) of the Korean Intellectual Property Office. As a proxy of firm’s innovation level, the patent data could be more suitable than research and development expenditure data because the granted patents can be recognized as the output of innovation activities(Choi, 2018). The main results can be summarized into three parts. First, in our regression, the number of granted patents as a proxy of innovation has a negative effect on the debt cost which shows that more innovative company has a lower cost of debt. It also implies that a firm’s innovation activities could be recognized positively by creditors. These findings are also robust when we use a two-stage least squares regression model, pooled OLS regression model, and random effects model. Our results are consistent with Hsu, Lee, Liu, and Zhang(2015) which investigates the effect of innovation on the cost of capital using the United States data. Second, in high-tech industry, the acquiring patent rights is one of the key factors for surviving. Thus, we split the sample into high and non-high-tech industry groups. The results show that the coefficient of innovation is significant in the high-tech industry, but not in the non-high-tech industry. These findings imply that bond investors may think that the innovation is more important for high-tech firms than non-high-tech firms. Third, in high-tech industry, the coefficient of pay equality is positive and the coefficient of interaction term between innovation and pay equality is significantly negative. The pay equality variable takes the value of one if manager-employee pay gap ratio is equal or less than the median, and zero otherwise. In summary, this study finds that the firm’s innovation has a positive effect on the cost of debt capital and this relation is significant when the firms belong to high-tech industry, not in non-high tech industry. We also find that, in high-tech industry, the pay equality of manager-employee may increase the cost of debt capital but a firm’s innovation activities can reduce the negative effects of pay equality. These findings provide useful information and make contributions not only for high-tech firms’ managers but also for innovation policy makers.

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During the economic downturn, the demand for safe haven properties increases, which is known as the flight-to-quality phenomenon. Thereafter, the global financial crisis increase demand for safe assets. Interest in safe haven property and flight-to-quality phenomenon has increased not only in practice but also in academic circles. Baur & Luecy(2010) defined a safe haven property as an asset that has a negative correlation or little correlation with other risky assets when the market is unstable. This study analyzed whether the gold market can function as a safe haven property to the Korean stock market, focusing on KRX gold market data. Gold traditionally has the nature of a safe asset because of its physical scarcity and the historical facts that itself served as currency. Studies investigating the gold market and stock market after the financial crisis confirm that the gold market serves as a sure safe haven for advanced countries especially with key currencies. Baur and Lucy (2010) showed that gold serves as a safe haven for the stock markets of the United States and major European countries, and studies such as Ciner et al. (2013), Baur and McDermott (2010), and Liu (2010) also show that gold serves as a safe haven in developed countries. However, several studies investigate whether gold plays a role as a safe asset in emerging markets, while no consistent consensus has yet been achieved. Emerging markets are well known to have different characteristics from advanced countries during the financial crisis while emerging central banks and others increase the weight of gold to hedge the depreciation of the U.S. dollar during the financial crisis, and demand for gold will be different from advanced countries. For this reason, the results of gold serving as a safe haven for the stock market in emerging markets vary depending on the sample period. Many studies on the gold market in emerging markets, including Korea, does not directly use the domestic gold market, so there is a time difference when using daily data. As a result, they do not reflect properly the price information of gold. For this reason, it is necessary to study using domestic gold market data. The KRX gold market which is corresponding to the Koran stock markets in opening time and has relatively low investment costs. We analyze the correlation between KOSPI and the safe haven assets and compare the performance of the portfolios including KOSPI and the safe haven assets. We also include analyzing the dollar and bonds, which is a traditional risk-free asset. We employ daily returns of gold prices in the KRX Gold Market from March 24, 2014, which is the opening day of the KRX Gold Market, to April 29, 2020. We also use daily returns of the bond ETF, which underlying asset is the 3-year Korean Treasury-Bond, and use daily returns of KRW-USD exchange rate during the same sample period to the KRX Gold Market. As a result of empirical analysis gold and USD shows a significant negative correlation with the Korean stock market, respectively, which implies both gold and USD paly role of a safe asset against the Korean stock market. In particular, the KRX gold market shows high returns during the periods when stock markets fell down. Furthermore, we analyzed the effects of the properties of safe assets such as gold and the US dollar on portfolio performance, through the historical standard deviation and the Sharpe ratio index of the minimum variance portfolio and the equal-weighted portfolio. In terms of portfolio performance, gold plays a similar role as a traditional safe asset such as Treasury bonds improving performance by recouping the decline in stock returns within the stock price down turns. Gold price increases could further enhance portfolio performance than Treasury bonds. Whereas the KRX gold market, unlike treasury bonds, is not stable in correlation with KOSPI. When constructing the equal-weighted portfolio, performance is better on the basis of excess returns and Sharpe ratio indices rather than constructing minimum variance portfolios that change the proportion of gold. Furthermore, we analyze the dynamics among gold, stock, and USD employing an analysis of the vector autoregression (VAR) model, and find that there is a significant negative (-) response between gold and the Korean stock market. However, there was no significant negative reaction between the U.S. dollar and the Korean stock market. In conclusion, the empirical analysis of the stock market, including gold, shows that the gold market serves as a safe haven for Korean stock investors and that it can increase performance when incorporated in the investing portfolio. Characteristics of gold as a safe asset is also expected to provide new insights to stock investors. In general, safe assets are only known to hedge risk, but it would be helpful research in practice and academia to improve returns if they were operated with risky assets.

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The uncertainty surrounding the continuing availability of LIBOR after 2022 requires financial authorities and financial institutions in major countries to be thoroughly prepared. In this regard, financial authorities in major countries such as the U.S., the U.K., and Japan have recently completed the development of a new risk-free rate (RFR) to replace the existing IBOR and have been listing the RFR derivatives. The working group of Korea, which has been relatively late in developing a RFR, has also selected the overnight repo rate of government bonds and monetary stabilization bonds as the RFR in March 2021 after a series of discussions and votes, and announced that the development of detailed calculation method will be finalized in the third quarter of 2021. The repo market’s sufficient liquidity and use in derivatives markets were the main reasons for this selection. However, for the newly selected RFR to be settled in the market, a sufficient liquidity is required for related financial instruments or contracts, including RFR futures. Based on this circumstance, this study attempts to present policy implications for listing RFR futures in Korea Exchange by grasping the current status and structure of RFR futures listed in major countries. More specifically, we propose a plan to vitalize the domestic RFR futures market by presenting examples of major countries in which RFR futures are actively traded. In particular, the U.S.‘s Secured Overnight Financing Rate (SOFR) futures and the U.K.’s Sterling Overnight Index Average (SONIA) futures have been cross-listed on CME in the U.S. and ICE in Europe, so that existing Eurodollar futures and Fed rate futures could be replaced by these products. These countries’s experiences can be helpful for us to list a similar RFR product. Of course, it is unclear whether the RFR futures for Korean Won, which is not used as an international currency, can be settled down in a short period of time. The major countries already had derivatives market for short-term interest rate such as IBOR before listing RFR futures. In addition, they have sufficient demand for hedging short-term interest rate risk. Considering this domestic situation in which short-term interest rate futures are absent after the delisting of CD rate futures, the vitalizations of domestic RFR futures is difficult unless there is sufficient and institutional supports. The governments, government-related agencies and exchanges of major countries also have helped and supported RFR futures in order to improve their reliability and liquidity when they were first listed in exchanges. In the paper, we suggest the following methods to list and activate the RFR futures transaction. First, we propose diversification and centralization of RFR products that can satisfy the needs of market participants. For example, we can consider listing the Monetary Policy Board (MPB) RFR futures or spread trades between RFR futures and mid-term government bond futures. The introduction of spread trading with 3-year Treasury bond futures, which currently has sufficient liquidity, can induce existing market participants into the RFR futures market. In addition, it is necessary to design an appropriate incentive system for market makers by referring to overseas markets and past domestic cases with successful results.

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Asian markets provide ideal experimental sample for IPO research. Market development and regulatory changes give academic researchers the chance to gain detail insights on IPO topics. The main objective of this paper is to survey the literature on Asian IPOs. We use Web of Science as a data source to collect related literature. We survey papers using Asian IPO samples to study classical IPO topics and discuss special IPO topics in Asian IPO markets. Finally, we provide suggestions for future research on this subject.

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This study investigates whether institutional investors with large ownership (institutional blockholders) have informational advantages over other investors. The sample of this study is constructed from institutional investors’ mandatory filings on block shareholding of greater than 5% of a firm’s shares. Institutional blockholders are classified into active institutions if they express an intention to engage in a firm’s management as their purpose of investment and into passive institutions otherwise. To verify the information content of block ownership, this study investigates the short- and long-term market reaction to announcements of institutional investors’ block ownership. Main findings are summarized as follows. First, significant cumulative abnormal returns (CARs) are observed around the announcements. The CARs are much higher for active institutions than passive institutions. Second, the stocks owned by passive asset management companies significantly outperform both the market and the benchmark portfolio in the long-term. In contrast, the stocks owned by active private investment companies significantly underperform the benchmark portfolio. Overall, the results of this study suggest that passive asset management companies have superior skills in selecting undervalued stocks and they use long-lived information when they make large investment. In contrast, the inconsistent results on short- and long-term performance of stocks owned by active private investment companies imply that private investment companies’ activism are not effective enough to meet the initial expectations of the market.

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