Bong-Gyu Jang
Head, Research Institute of Finance & Risk Management (ReFiRM), POSTECH
Head, Hana-POSTECH TechFin Collaboration Center / KB-POSTECH Digital Innovation Center
Professor, Dept. Industrial & Management Engineering (IME), POSTECH
4th Eng. Building #421, POSTECH, 77 Cheongam-Ro, Nam-gu, Pohang, Gyungbuk, Korea (37673)
Telephone: 82-54-279-2372, Fax: 82-54-279-2870, E-mail: bonggyujang@postech.ac.kr
Research Interests
Asset Pricing, Portfolio Theory, Life-Cycle Asset Management (Pensions), Credit Risk, Interest Rates, and Derivatives
Financial Engineering, Mathematical Finance, and Fintech
Application of Machine Learning to the Financial Industry
Publications(selected)
"Optimal Reinsurance and Portfolio Selection: Comparison between Partial and Complete Information Models" (with Kyeong Tae Kim and Hyun-Tak Lee), European Financial Management, Vol 28, Issue 1, 2022, 208~232.
"Optimal Retirement with Borrowing Constraints and Forced Unemployment Risk" (with Seyoung Park and Huainan Zhao), Insurance: Mathematics and Economics, Vol 48, Issue 5, Sep. 2020, 549-551.
"Optimal Consumption and Investment with Insurer Default Risk" (with Hyeng Keun Koo and Seyoung Park), Insurance: Mathematics and Economics, Vol 88, Sep. 2019, 44-56.
"Net Contribution, Liquidity, and Optimal Pension Management" (with Changhui Choi, Changki Kim, and Sang-youn Roh), Journal of Risk and Insurance, Vol 83, Issue 4, 2016, 913-948.
"Business Cycle and Credit Risk Modeling with Jump Risks" (with Yuna Rhee and Ji Hee Yoon), Journal of Empirical Finance, Vol 39 (Part A), 2016, 15-36.
"Asset Demands and Consumption with Longevity Risk" (with Hyeng Keun Koo and Yuna Rhee), Economic Theory, Vol 62, Issue 3, 2016, 587-633.
"Unemployment Risks and Optimal Retirement in an Incomplete Market" (with Alain Bensoussan and Seyoung Park), Operations Research, Vol 64, Issue 4, 2016, 1015-1032.
"Optimal Reinsurance and Asset Allocation under Regime Switching" (with Kyeong Tae Kim), Journal of Banking & Finance, Vol 56, 2015, 37-47.
"Optimal Retirement with Unemployment Risks" (with Seyoung Park and Yuna Rhee), Journal of Banking & Finance, Vol 37, Issue 9, 2013, 3585-3604.
"Analytic Valuation Formulas for Range Notes and an Affine Term Structure Model with Jump Risks" (with Ji Hee Yoon), Journal of Banking & Finance, Vol 34, Issue 9, 2010, 2132-2145.
"A First-Passage-Time Model under Regime-Switching Market Environment" (with Mi Ae Kim and Ho-Seok Lee), Journal of Banking & Finance, Vol 32, Issue 12, 2008, 2617-2627.
"Liquidity Premia and Transaction Costs" (with Hyeng Keun Koo, Hong Liu and Mark Loewenstein), Journal of Finance, Vol 62, No 5, 2007, 2329-2366.
Working Papers (selected)
"Does It Pay to Go Outside Your Comfort Zone?" (with Phillip H. Dybvig and Hyeng Keun Koo)
"Optimal Reinsurance and Asset Allocation with Correlation Risks" (with Alain Bensoussan and Jin-Gi Kim)
"Forecasting Realized Volatility of the Oil Future Prices via Machine Learning" (with with Byung-June Kim, Taeyoon Kim, and Myung Jun Kim), under revision for the 3nd round review in Applied Economics. .
"Asset Returns and Regime-Switching Consumption-Wealth Ratio“ (with Qi Li, Di Luo, Seyoung Park, Huainan Zhao), submitted.
"Bitcoin Price Direction Forecasting and Market Variables" (Taegyum Kim, Hyeontae Jo, and Woohyuk Choi), submitted.
"Liability-Driven Investment under Inflation Risk" (with Hyeontae Jo and Myung-Jun Kim).
"Herding in Cryptocurrency Market and COVID-19: Spillover Effects and Fundamental Information" (with Daeyoung Jeon, Changeun Kim, and Jongho Park).
"Temporary Layoffs, Reentry and Optimal Retirement" (with Shan Huang, and Seyoung Park).
"Involuntary Unemployment Due to Permanent Disability Risk and Unemployment Insurance Design" (with Jiwon Chae and Doyeon Kim).
"Old-Age Inequality with Longevity Extension from Preventive Healthcare" (with Byung-June Kim).
"Liquidation Shocks and Transaction Costs" (with Hyeng Keun Koo and Seungkyu Lee)
"Short-Term Market Changes and Market Making with Inventory" (with Jin Gi Kim, Sam Beatson, Hoseok Lee, and Seyoung Park)
"Market Capitalization, Corporate Payouts, and Expected Returns" (with Bong-Soo Lee and Hyun-Tak Lee)
"Entrepreneurial Business Plan under Undiversifiable Idiosyncratic Risk" (with Hyun-Tak Lee and Seyoung Park)
"A Lattice Method for Lookback Options with Regime-Switching Volatility" (with Ji Hee Yoon, U Jin Choi and Byung Hwa Lim)
ReFiRM | FIRM Lab. | Dpt. of IME