Data Sampling) model consisting of low frequency information variables and high-frequency financial variables. Through this …. The variance ratio statistic based on in-sample estimation of GARCH-MIDAS models shows that macroeconomic components … stock volatility. In addition to in-sample estimation, we conduct out-of-sample forecasts to investigate adequacy of …

positive correlation with the inflation. In addition, the stock market volatility tends to rise as macroeconomic uncertainty …

overall. We made an illustrative application, an estimation of Okun’s law with regional panel data from 16 local Korean … goverments by using the proposed estimator. The estimation results shows that the effects of growth rates on unemployment rates …

and 2SLS regression were used for each analysis respectively.The empirical estimation results show that Korea's foreign …