General Publications
Manuscripts
Choi, S. H. and Kim, D. (2024). Matrix-based Prediction Approach for Intraday Instantaneous Volatility Vector. Submitted.
Shin, M. and Kim, D. (2024). Nonconvex High-Dimensional Time-Varying Coefficient Estimation for Noisy High-Frequency Observation. Submitted.
Shin, M. and Kim, D. (2023). Robust High-Dimensional Time-Varying Coefficient Estimation. Submitted.
Kim, D. and Shin, M. (2021). High-Dimensional Time-Varying Coefficient Estimation. Submitted.
Shin, M., Kim, D., Wang, Y., and Fan, J. (2021). Factor and Idiosyncratic VAR-Ito Volatility Models for Heavy-Tailed High-Frequency Financial Data. Submitted.
Published/Accepted Papers
Accepted Papers
[32] Choi, S. H. and Kim, D. (2024+). Large Global Volatility Matrix Analysis Based on Observation Structural Information. To be appeared in Econometric Theory.
[31] Oh, M., Kim, D., and Wang, Y. (2024+). Dynamic Realized Beta Models Using Robust Realized Integrated Beta Estimators. To be appeared in Journal of Econometrics.
[30] Kim, D. and Oh, M. (2024+). Dynamic Realized Minimum Variance Portfolio models. To be appeared in Journal of Business & Economic Statistics. pdf.
[29] Kim, D., Oh, M., Song, X., and Wang, Y. (2024+). Factor Overnight GARCH-Ito Models. To be appeared in Journal of Financial Econometrics. pdf.
[28] Oh, M. and Kim, D. (2024+). Effect of the U.S.–China Trade War on Stock Markets: A Financial Contagion Perspective. To be appeared in Journal of Financial Econometrics. pdf.
[27] Kim, D. (2024+). Exponential Realized GARCH-Ito Volatility Models. To be appeared in Econometric Theory. pdf.
[26] Han, S., Kim, D., and Kim, H. (2024+). Adaptive Thresholding for Iterative Matrix Completion with Heterogeneous Missing Probability: H-AdaptiveImpute. To be appeared in Communications in Statistics - Simulation and Computation.
2023
[25] Kim, D., Shin, M., and Wang, Y. (2023). Overnight GARCH-Itô Volatility Models. Journal of Business & Economic Statistics, 41, 1215–1227. pdf.
[24] Shin, M., Kim, D., and Fan, J. (2023). Adaptive Robust Large Volatility Matrix Estimation Based on High-Frequency Financial Data. Journal of Econometrics, 237, 105514. pdf.
[23] Choi, S. H. and Kim, D. (2023). Large Volatility Matrix Analysis Using Global and National Factor Models. Journal of Econometrics, 235, 1917-1993. pdf.
[22] Kim, D. and Shin, M. (2023). Volatility Models for Stylized Facts of High-Frequency Financial Data. Journal of Time Series Analysis, 44, 262-279. pdf.
2022
[21] Kim, D., Song, X., and Wang, Y. (2022). Unified Discrete-Time Factor Stochastic Volatility and Continuous-Time Ito Models for Combining Inference Based on Low-Frequency and High-Frequency. Journal of Multivariate Analysis, 192, 105091. pdf.
[20] Jung, K, Kim, D., and Yu, S. (2022). Next Generation Models for Portfolio Risk Management: An Approach Using Financial Big Data. Journal of Risk and Insurance, 89, 765-787. pdf.
[19] Chun, D. and Kim, D. (2022). State Heterogeneity Analysis of Financial Volatility Using High-Frequency Financial Data. Journal of Time Series Analysis, 43, 105-124.
[18] Kim, D., Oh, M., and Wang, Y. (2022). Conditional Quantile Analysis for Realized GARCH Models. Journal of Time Series Analysis, 43, 640-665.
2021
[17] Song, X., Kim, D., Yuan, H., and Wang, Y., Zhou, Y., and Cui, X. (2021). Volatility Analysis with Realized GARCH-Ito Models. Journal of Econometrics, 222, 393-410. pdf file.
[16] Cai, T, Kim, D., Song, X., and Wang, Y. (2021). Optimal sparse eigenspace and low-rank density matrix estimation for quantum systems. Journal of Statistical Planning and Inference, 213, 50-71.
2019
[15] Cho. J., Kim, D., and Rohe, K. (2019). Intelligent Initialization and Adaptive Thresholding for Iterative Matrix Completion; Some Statistical and Algorithmic Theory for Adaptive-Impute. Journal of Computational and Graphical Statistics, 28, 323-333. pdf file.
[14] Fan, J. and Kim, D. (2019). Structured Volatility Matrix Estimation for Non-synchronized High-frequency Financial Data. Journal of Econometrics, 209, 61-78. pdf file.
[13] Kim, D. and Fan, J. (2019). Factor GARCH-Ito Models for High-frequency Data with Application to Large Volatility Matrix Prediction. Journal of Econometrics, 208, 395-417. pdf file.
2018
[12] Kim, D., Kong, X., Li, C., and Wang, Y. (2018). Adaptive Thresholding for Large Volatility Matrix Estimation Based on High-Frequency Financial Data. Journal of Econometrics, 203, 69-79. pdf file.
[11] Kim, D., Liu, Y. and Wang, Y. (2018). Large Volatility Matrix Estimation with Factor-Based Diffusion Model for High-Frequency Financial data. Bernoulli, 24, 3657-3682. pdf.
[10] Fan, J. and Kim, D. (2018). Robust high-dimensional volatility matrix estimation for high-frequency factor model. Journal of the American Statistical Association, 113, 1268-1283. pdf.
2017
[9] Kim, D., and Wang, Y. (2017). Hypothesis Tests of Large Density Matrices of Quantum Systems Based on Pauli Measurements. Physica A, 469, 31-51.
[8] Cho, J., Kim, D., and Rohe, K. (2017). Asymptotic Theory for Estimating the Singular Vectors and Values of a Partially-observed Low Rank Matrix with Noise. Statistica Sinica, 27, 1921-1948. pdf.
2016
[7] Cai, T., Kim, D., Yuan, M., Wang, Y. and Zhou, H. (2016). Optimal Large-Scale Quantum State Tomography with Pauli Measurements. The Annals of Statistics, 44, 682-712.
[6] Kim, D. and Wang, Y. (2016). Unified discrete-time and continuous-time models and statistical inferences for merged low-frequency and high-frequency financial data. Journal of Econometrics,194, 220-230.
[5] Kim, D. and Wang, Y. (2016). Sparse PCA Based on High-Dimensional It\^o processes with Measurement Errors. Journal of Multivariate Analysis, 152, 172-189. Supplement Document.
[4] Kim, D., Wang, Y. and Zou, J. (2016). Asymptotic Theory for Large Volatility Matrix Estimation Based on High-Frequency Financial Data. Stochastic Processes and Their Applications, 126, 3527–3577.
[3] Kim, D. (2016). Statistical inference for unified GARCH-Ito models with high-frequency financial data. Journal of Time Series Analysis, 37, 513-532.
[2] Zhang, X., Kim, D., and Wang, Y. (2016). Jump Variation Estimation with Noisy High Frequency Financial Data via Wavelets. Econometrics, 4(3), 34.
2014
[1] Kim, D. and Zhang, C. (2014). Adaptive Linear Step-up Multiple Testing Procedure with the Bias-Reduced Estimator. Statistics and Probability Letters, 87, 31-39.