1. Hyunhong Choi, Dongnyok Shim*, Seungwan Kim (2024). Heterogeneous public preferences for undergrounding high-voltage power transmission lines: The case of Seoul metropolitan area in South Korea. Energy Economics, Early Access (Accepted). https://doi.org/10.1016/j.eneco.2024.107448 (SSCI, 2022IF = 11.1, 0.6%, #2 in Economics)

2. Yongsuk Hong, Jungwoo Shin, Hyunhong Choi*, JongWuk Ahn (2024). Investigating the value of parallel pipeline projects for water supply: A contingent valuation study in South Korea. Water, Early Access (Accepted). https://doi.org/10.3390/w16060819 (SCIE, 2022IF = 3.4, 48.9%)

3. Dongnyok Shim, Hyunhong Choi*, Seungwan Kim (2023). Heterogeneous public attitudes toward high-voltage power transmission lines and willingness to pay for undergrounding projects. Energy & Environment, Early Access (Accepted). https://doi.org/10.1177/0958305X231171692 (SSCI, 2022IF = 4.2, 31.6%)

4. Hyunhong Choi, Jeongeun Lee, Yoonmo Koo* (2023). Value of different electric vehicle charging facility types under different availability situations: A South Korean case study of electric vehicle and internal combustion engine vehicle owners. Energy Policy, 174, 113436. https://doi.org/10.1016/j.enpol.2023.113436 (SSCI, SCIE, 2022IF = 7.576, 2.0%, #8 in Economics)

5. Hyunhong Choi, Yoonmo Koo (2023). New technology product introduction strategy with considerations for consumer-targeted policy intervention and new market entrant. Technological Forecasting and Social Change, 186, 122126. https://doi.org/10.1016/j.techfore.2022.122126 (SSCI, 2021IF = 10.884, 1.25%, #1 in regional & urban planning)

6. JongRoul Woo, Sungho Moon, Hyunhong Choi* (2022). Economic value and acceptability of advanced residential solar power systems for multi-unit residentials: the case of South Korea. Applied Energy, 324, 119671. https://doi.org/10.1016/j.apenergy.2022.119671 (SCIE, 2020IF = 9.746, 4.20%)

7. Hyunhong Choi, Joongha Ahn, JongRoul Woo* (2022). Will there be a Disruptive Innovation? Identifying a profitable niche segment and product design for small- and medium-sized companies and startups. IEEE Transactions on Engineering Management. 69(5), 2057-2072. https://doi.org/10.1109/TEM.2020.2999073 (SSCI & SCIE, 2020IF=6.146, 23.47%)

8. Hyunhong Choi, Stephen Youngjun Park, Hyungbin Moon*. (2022). The shared mobility services ban in South Korea: Consumer preferences and social opportunity cost. Travel Behaviour and Society, 28, 214-226. https://doi.org/10.1016/j.tbs.2022.04.006 (SSCI, 2020IF = 4.983, 25.68%)

9. Hyunhong Choi, & JongRoul Woo*. (2022). Investigating emerging hydrogen technology topics and comparing national level technological focus: Patent analysis using a structural topic model. Applied Energy, 313, 118898. https://doi.org/10.1016/j.apenergy.2022.118898 (SCIE, 2020IF = 9.746, 4.20%)

10. Sungho Moon, Jongsu Lee, Hyunhong Choi*, & JongRoul Woo*. (2022). Impact of energy production mix on alternative fuel vehicle adoption in Korea. Transportation Research Part D: Transport and Environment, 105, 103219. https://doi.org/10.1016/j.trd.2022.103219 (SSCI & SCIE, 2020IF = 5.495, 16.22%)

11. Bahareh Oryani*, Yoonmo Koo,  Afsaneh Shafiee, Shahabaldin Rezania*, Jiyeon Jung, Hyunhong Choi, & Muhammad Kamran Khan*. (2022). Heterogeneous preferences for EVs: Evidence from Iran. Renewable Energy, 181, 675–691. https://doi.org/10.1016/j.renene.2021.09.071 (SCIE, 2020IF=8.001, 14.04%)

12. Hyunhong Choi, & Yoonmo Koo*. (2021). Effectiveness of battery electric vehicle promotion on particulate matter emissions reduction. Transportation Research Part D: Transport and Environment, 93, 102758. https://doi.org/10.1016/j.trd.2021.102758 (SSCI & SCIE, 2020IF = 5.495, 16.22%)

13. Hyunhong Choi, & Yoonmo Koo* (2019). Do I have to buy it now? A vehicle replacement model considering strategic consumer behavior. Transportation Research Part D: Transport and Environment, 73, 318–337. https://doi.org/10.1016/j.trd.2019.07.009 (SSCI & SCIE, 2019IF=4.577, 13.51%)

14. Hyunhong Choi, Jungwoo Shin, & JongRoul Woo* (2018). Effect of electricity generation mix on battery electric vehicle adoption and its environmental impact. Energy Policy, 121, 13–24. https://doi.org/10.1016/j.enpol.2018.06.013 (SSCI &SCIE, 2018IF=4.88, 3.58%)

15. Hyunsong Lee, Hyunhong Choi, & Yoonmo Koo* (2018). Lowering customer’s switching cost using B2B services for telecommunication companies. Telematics and Informatics, 35, 2054–2066. https://doi.org/10.1016/j.tele.2018.07.008 (SSCI, 2018IF=3.714, 12.36%)

16. Hyunhong Choi, & Yoonmo Koo* (2018). Using contingent valuation and numerical methods to determine optimal locations for environmental facilities: Public arboretums in South Korea. Ecological Economics, 149, 184-201. https://doi.org/10.1016/j.ecolecon.2018.03.017  (SSCI & SCI, 2018IF=4.281, 5.51%)

17. Hyungbin Moon, Hyunhong Choi, Jongsu Lee, & Ki-Soo Lee* (2017). Attitudes in Korea toward introducing smart policing technologies: Differences between the general public and police officers. Sustainability, 9(10), 1921. https://doi.org/10.3390/su9101921 (SSCI & SCIE, 2017IF=2.075, 37.93%)

18. Misuk Lee, Hyunhong Choi, & Yoonmo Koo* (2017). Inconvenience cost of waste disposal behavior in South Korea. Ecological Economics, 140, 58-65. https://doi.org/10.1016/j.ecolecon.2017.04.031 (SSCI & SCI, 2017IF=3.895, 5.95%)

19. Junghun Kim, Hyunhong Choi, Heecheon Cho, Junsang Kim, & Yoonmo Koo* (2017). Effects of degrees of acceptance and awareness on a rate system for lowering mobile bills. Telecommunications Policy, 41(4), 273-281. https://doi.org/10.1016/j.telpol.2016.12.005 (SSCI & SCIE, 2017IF=2.087, 21.43%)

20. JongRoul Woo, Hyunhong Choi, & Joongha Ahn* (2017). Well-to-wheel analysis of greenhouse gas emissions for electric vehicles based on electricity generation mix: A global perspective. Transportation Research Part D: Transport and Environment, 51, 340-350. https://doi.org/10.1016/j.trd.2017.01.005 (SSCI & SCIE, 2017IF=3.445, 9.68%)

Submissions currently submitted to Journals

• Mina Kim, Hyunhong Choi, Yoonmo Koo*, Machine Learning Approach Analyzing Feature Importance of Alternative Fuel Vehicle Selection. Under Review on Travel Behaviour and Society

• Hyunhong Choi, Yoonmo Koo*, Analyzing Consumers’ Daily Media Usage Trends using a Structural Topic Model. Revise & resubmit (under revision) on Expert Systems with Applications

• Stephen Youngjun Park, Hyunhong Choi, Hyungbin Moon*, Complementary or substitution effects between travel modes in a sharing economy: Evidence from consumer stated preferences in South Korea. Submitted to Journal of Retailing and Consumer Research

• Pengyu Zhu*, Juan Wang, Gamze Dane, Hyunhong Choi, Harry Timmermans, The influence of travel behavior and built environment on carsharing-facilitating neighborhood preferences. Submitted to Transport Policy

1. Hyunhong Choi‡ (2023), Investigating development trends and emerging technological topics in hydrogen sector using patent data, INFORMS annual meeting 2023, Phoenix, Arizona, United States

2. Heeseok Moon‡, Hyunhong Choi (2023), Identifying Key Topics in EV Charging Technology Through Patent Analysis, INFORMS annual meeting 2023, Phoenix, Arizona, United States

3. Yongsuk Hong‡, Hyunhong Choi (2023), Analyzing Trends in Battery Electric Vehicles and Hybrid Electric Vehicles Through Patent Data With Structural Topic Modelling, INFORMS annual meeting 2023, Phoenix, Arizona, United States

4. Hyunhong Choi‡ and Yoonmo Koo (2022), New technology product introduction strategy with considerations for consumer-targeted policy intervention and new market entrant, INFORMS annual meeting 2022, Indianapolis, Indiana, United States

5. Hyunhong Choi‡ and Yoonmo Koo (2021), Incorporating Producer Side Response on Assessing the Impact of Consumer Targeted Environmental Policies, AEERE 2021, Seoul, Korea

6. Hyunhong Choi‡ and Yoonmo Koo (2020), Can the promotion of battery electric vehicles reduce particulate matter emissions? Effective policy options considering long term vehicle substitution, KEEA Meeting 2020, Seoul, Korea.

7. Hyunhong Choi and Yoonmo Koo‡ (2018), Location decision for environmental public facilities to maximize social benefit, 6th WCERE, Gothenburg, Sweden

8. Hyunhong Choi‡ and Yoonmo Koo (2016), A Study on Optimal Locations of Public Facilities to Maximize Social Benefit, INFORMS annual meeting 2016, Nashville, Tennessee, United States.

• Research on Institutional and Policy Directions for the Activation of Seawater Desalination, Ministry of Environment & K-Water (환경부 & 한국수자원공사), July 2023 - January 2025 (연구책임)

• A Study on Data Driven Strategy for Promoting New Energy Industry and Improving Public Acceptance of Energy Policy, National Research Foundation (NRF) of Korea (한국연구재단), September 2022 – February 2025 (연구책임)

• Multidisciplinary Graduate School for Carbon Neutrality Consulting and Conflict Management, Korea Energy Technology Evaluation and Planning (KETEP) (에너지기술평가원), July 2022 – March 2027 (공동연구원)

• A Study on Hybrid Model to Evaluate Sustainability of New Technologies in Transport Sector, National Research Foundation (NRF) of Korea, May 2020 - Feb 2021

• A Study on Cost-effectiveness Analysis Methodology for R&D Preliminary Feasibility Test, Korea Institute of Science & Technology Evaluation and Planning (KISTEP), April 2020 – October 2020

• A Study on Environment Policy of Transportation Sector with Consumer and Producer’s Optimizing Behavior, National Research Foundation (NRF) of Korea, March 2018 – August 2020

• International Energy Policy Program, Korea Energy Technology Evaluation and Planning (KETEP), October 2019 – August 2020

• Big Data Analysis for Research & Development Trends and Research Classification System, National Research Foundation (NRF) of Korea, April 2017 – October 2017

• Developing Integrated Top-down & Bottom-up Model for Integrated Greenhouse Gas Emissions Mitigation of Korea. Korea Environment Institute (KEI), May 2016 – February 2017

• Car-sharing Market Analysis and Designing Optimal Price/Delivery Algorithm, Hyundai Capital, November 2016 - January 2017.

• Designing Technology Roadmap for Policing R&D, National Police Agency, July 2015 - June 2016.

• Establishing Future Research Platform and Forecasting Future Society Megatrend, Korea Advanced Institute of Science and Technology (KAIST), February 2015 - October 2015.