2. **Cho YB and Lee YW (2022) Asymmetric Asset Correlation in Credit Portfolios, Finance Research Letters, 49, 103037, DOI : 10.1016/j.frl.2022.103037
1. Lee YW, Cho YB, and Yang KS (2021) Optimal look-back period for adequate and less procyclical credit capital forecasts, Applied Economics, 53:46, 5337-5353, DOI: 10.1080/00036846.2021.1914317
8. **Park JS, Lee KB and Cho YB (2024), A Study on Default Prediction Model: Focusing on the Imbalance Problem of Default Data, Information Systems Review, 26:2, 169-183, DOI :
8. **Cho YB and Kim DW (2023) Proposal an Alternative Data Pipeline to Secure the Timeliness for Official Statistical Indicators, Journal of Korea Society of Industrial Information Systems, 28:5, 89-108, DOI :
7. Park SH, Lee HW, Cho YB and Lee KB (2023) An Investigation into the Impact of Pretrained Language Models on Online News Sentiment and its Influence on Investor-Specific Trading Intensity, Asia-pacific Journal of Convergent Research Interchange, 9:10, 225-235, DOI : 10.47116/apjcri.2023.10.19
6. **Cho YB and Kim DW (2022) The Price Discovery Effect between Exchange Traded Fund and Portfolio -Focus on Transportation Exchange Traded Fund-, Journal of the Aviation Management Society of Korea, 20:6, 3-15, DOI : 10.30529/amsok.2022.20.6.001
5. **Cho YB, Cho DW, and Choi BS (2022) Applications of the classification algorithm for unbalanced time series data: Focusing on the corporate default model, Journal of The Korean Data Analysis Society, 24:2, 639-651, DOI : 10.37727/jkdas.2022.24.2.639
4. **Lee JH, Lee YW, and Cho YB (2022) Performance analysis of sector index portfolios using the GOP model, Journal of The Korean Data Analysis Society, 24:2, 823-841, DOI : 10.37727/jkdas.2022.24.2.823
3. **Cho YB and Kim DW (2021) The Effect of COVID-19 for FSC, LCC, Shipping and Logistics Company Stock Volatilities - Focus on Domestic Companies -, Journal of the Aviation Management Society of Korea, 19:5, 37-54, DOI : 10.30529/amsok.2021.19.5.003
2. **Cho YB and Kim DW (2021) The Market Efficiency of the KOSPI200 Index Options and Mini Options, Journal of Industrial Economics and Business, 34:2(154), 319-340, DOI : 10.22558/jieb.2021.4.34.2.319
1.** Cho YB and Kim DW (2020) Stock Price Volatilities of Airline From Infectious Disease - Before and After A(H1N1), MERS-CoV, COVID-19 -, Journal of the Aviation Management Society of Korea, 18:5, 33-53, DOI : 10.30529/amsok.2020.18.5.003
** contribute as first or corresponding author.