English Abstract: This paper explained how the global information affected return and volatility in Korean stock market … it was assumed that the foreign information's effect on the return and volatility before the global economic crisis was … different from that one after global economic crisis. The results showed the effect good news and bad news had on the return and …

stock return data from August 2000 to July 2006, empirical results show that a persistent GARCH effect exists in …

intrigued investors. Inferring investors' expectation through the implied risk neutral distribution is widely used. This … the 17th general election at 2004, the investors' perceived risk increased after the final returns. In the 17th … election. However the uncertainty was resolved quickly after the final return. In the 18th general election at 2008, there was …

policy tools should be applied to the individual financial institution, which makes measuring the systemic risk contribution … by an individual institution essential prerequisite. This paper attempts to measure the systemic risk contribution by an …'s contribution to the systemic risk when the financial system as a whole is under distress, as proposed by Acharya et al.(2010 …

findings are as follow: First, the spillover effect of US stock market on the overnight return of Korean stock market was … statistically significant positive, and spillover effect on daytime return was significant negative only during the financial crisis … period. Second, the spillover effect of US stock market on Won/dollar overnight return in Korea was statistically significant …

rating on firm valuation. In particular, this paper estimates the effect of the credit rating on stock return and volatility …(s) while others do not. The estimation results show that the credit rating reduces the volatility of stock return while it does … not critically impact the stock return. These evidences imply that the credit rating information refines noisiness of …

follows. First, the cumulative abnormal return (CAR) is -6.44% over two days after embezzlement disclosure. In particular, the …

English Abstract: Credit rating provides information predicting firm's future cash flows and risk under uncertainty and … hence represents its intrinsic value. Credit rating plays a role as certifier of credit risk of borrowing firm in financial …