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Dr. Donghyun Choi
School of Air transportation and logistics, Korea Aerospace University, Goyang 10540, Korea

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Journal article
Published: 03 February 2020 in Sustainability
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In Southeast Asian cities, it is common for logistic companies to operate a heterogeneous fleet of delivery vehicles with motorcycles being the preferred vehicle to handle the final phase of delivery. In such scenarios, heterogeneous fleet vehicle routing problem (HFVRP) is generally applied to plan an optimal delivery. However, in many downtown cores of large and rapidly developing Southeast Asian cities, HFVRP is neither viable nor reliable because of road usage restrictions. The purpose of this article is to develop and test a different approach that accurately takes these restrictions into account and provides viable and more sustainable results. Restrictions in this paper refer to situations of urban areas in Vietnam where (i) certain vehicle types are prohibited in specified areas or where narrow alleyways limit the utilization of vehicles that exceed the road capacity and (ii) certain roads are exclusive to certain vehicle types. In networks, limited access and exclusive lanes are represented as links, or arcs, exclusive to one or another. Taking these limitations into consideration, we have developed a unique model, which we have termed Vehicle Routing Problem with Exclusive Links (VRP-EL). The model was validated and tested for its performance on scenarios with varying ratios of exclusive links. Scenarios up to 500 customers were tested on a meta-heuristic algorithm, simulated annealing. VRP-EL produces realistic outcomes. Limiting certain links to be selected according to vehicle types increases overall travel distance. However, this increase outweighs the cost of re-planning and rerouting had they not been constrained initially. The reduction in traveling distance leads to fossil fuel reduction for the overall system. The estimation of reduced carbon emissions through applying the proposed model is presented. Considering the severe traffic congestion and carbon emissions caused by motorcycles in Vietnam, the proposed model leads to a sustainable road environment.

ACS Style

Keyju Lee; Junjae Chae; BoMi Song; Donghyun Choi. A Model for Sustainable Courier Services: Vehicle Routing with Exclusive Lanes. Sustainability 2020, 12, 1077 .

AMA Style

Keyju Lee, Junjae Chae, BoMi Song, Donghyun Choi. A Model for Sustainable Courier Services: Vehicle Routing with Exclusive Lanes. Sustainability. 2020; 12 (3):1077.

Chicago/Turabian Style

Keyju Lee; Junjae Chae; BoMi Song; Donghyun Choi. 2020. "A Model for Sustainable Courier Services: Vehicle Routing with Exclusive Lanes." Sustainability 12, no. 3: 1077.

Journal article
Published: 01 December 2018 in Korean Journal of Logistics
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ACS Style

Hunsoo Lee; Donghyun Choi; Suhee Choi; Myungsik Seo. Determinants of Adopting Omni Channel System and Corporate Performance. Korean Journal of Logistics 2018, 26, 131 -146.

AMA Style

Hunsoo Lee, Donghyun Choi, Suhee Choi, Myungsik Seo. Determinants of Adopting Omni Channel System and Corporate Performance. Korean Journal of Logistics. 2018; 26 (4):131-146.

Chicago/Turabian Style

Hunsoo Lee; Donghyun Choi; Suhee Choi; Myungsik Seo. 2018. "Determinants of Adopting Omni Channel System and Corporate Performance." Korean Journal of Logistics 26, no. 4: 131-146.

Journal article
Published: 01 December 2018 in Korean Journal of Logistics
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ACS Style

Hunsoo Lee; 준재 채; Suhee Choi; Donghyun Choi. Global Logistics Alliance Strategies between Large LLPs and SMEs. Korean Journal of Logistics 2018, 26, 69 -87.

AMA Style

Hunsoo Lee, 준재 채, Suhee Choi, Donghyun Choi. Global Logistics Alliance Strategies between Large LLPs and SMEs. Korean Journal of Logistics. 2018; 26 (4):69-87.

Chicago/Turabian Style

Hunsoo Lee; 준재 채; Suhee Choi; Donghyun Choi. 2018. "Global Logistics Alliance Strategies between Large LLPs and SMEs." Korean Journal of Logistics 26, no. 4: 69-87.

Journal article
Published: 01 December 2018 in Korean Journal of Logistics
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ACS Style

Hunsoo Lee; Suhee Choi; Jinsung Kim; Donghyun Choi. Business Model Analysis in Vietnam Logistics Market. Korean Journal of Logistics 2018, 26, 1 -22.

AMA Style

Hunsoo Lee, Suhee Choi, Jinsung Kim, Donghyun Choi. Business Model Analysis in Vietnam Logistics Market. Korean Journal of Logistics. 2018; 26 (4):1-22.

Chicago/Turabian Style

Hunsoo Lee; Suhee Choi; Jinsung Kim; Donghyun Choi. 2018. "Business Model Analysis in Vietnam Logistics Market." Korean Journal of Logistics 26, no. 4: 1-22.

Journal article
Published: 08 August 2018 in Sustainability
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With the strategic importance of discerning opportunities and threats from technological development to achieve sustainable competitiveness, exploring technological trends becomes critical for a successful technology strategy in logistics. Given the rapid pace of development and varying technological options, logistics also increasingly requires methodological support and appropriate data to reduce the complexity and burden of exploring technology trends. While previous research has largely relied on experts’ insights, the value of patent-based approaches for exploring technological trends has been underestimated in logistics. To address this gap, this study proposes a topic modeling-based approach using logistics-related patents registered at the United States Patents and Trademark Office (USPTO). The core of the suggested approach is latent Dirichlet allocation (LDA), allowing the identification of logistics-related technological topics behind patents. The topics identified by LDA are further investigated regarding both filed-level and firm-level trends. The suggested approach is expected to offer implications of the use of patents for the purpose of exploring the trends of technology development outside the organization in logistics. In addition, we believe that the information on the technological topics and their trends generated by the suggested approach can offer an enhanced understanding of the technological landscape in logistics.

ACS Style

Donghyun Choi; BoMi Song. Exploring Technological Trends in Logistics: Topic Modeling-Based Patent Analysis. Sustainability 2018, 10, 2810 .

AMA Style

Donghyun Choi, BoMi Song. Exploring Technological Trends in Logistics: Topic Modeling-Based Patent Analysis. Sustainability. 2018; 10 (8):2810.

Chicago/Turabian Style

Donghyun Choi; BoMi Song. 2018. "Exploring Technological Trends in Logistics: Topic Modeling-Based Patent Analysis." Sustainability 10, no. 8: 2810.

Journal article
Published: 19 July 2018 in Sustainability
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Eco friendly management has received attention from business as an important competitive source. Thus, an emerging body of studies is interested in the implementation of green supply chain management (GSCM). Previous research in this field has acknowledged the importance of GSCM. However, the capability that enables a firm to successfully adopt GSCM is not well researched. This study empirically examines dynamic capability as an antecedent of GSCM, with the aim of proposing a causal relationship between dynamic capability and GSCM. The result of this study shows that implementing GSCM with dynamic capability enables a firm to achieve successful GSCM practices, and that this in turn leads to enhanced organizational performance.

ACS Style

BoMi Song; Donghyun Choi. Dynamic Capability of the Firm as Driver of Green Supply Chain Management Implementation. Sustainability 2018, 10, 2539 .

AMA Style

BoMi Song, Donghyun Choi. Dynamic Capability of the Firm as Driver of Green Supply Chain Management Implementation. Sustainability. 2018; 10 (7):2539.

Chicago/Turabian Style

BoMi Song; Donghyun Choi. 2018. "Dynamic Capability of the Firm as Driver of Green Supply Chain Management Implementation." Sustainability 10, no. 7: 2539.

Journal article
Published: 01 December 2017 in Korean Journal of Logistics
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ACS Style

Donghyun Choi; 재원 허; Byung Jong Kim. A Study on Comparing the Performance of the World's Major Multi Airport System. Korean Journal of Logistics 2017, 25, 181 -194.

AMA Style

Donghyun Choi, 재원 허, Byung Jong Kim. A Study on Comparing the Performance of the World's Major Multi Airport System. Korean Journal of Logistics. 2017; 25 (4):181-194.

Chicago/Turabian Style

Donghyun Choi; 재원 허; Byung Jong Kim. 2017. "A Study on Comparing the Performance of the World's Major Multi Airport System." Korean Journal of Logistics 25, no. 4: 181-194.

Journal article
Published: 01 August 2017 in Korean Journal of Logistics
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ACS Style

Hunsoo Lee; Dooyong Jeong; Jinsung Kim; Donghyun Choi. Study on Revitalization of Regional Airport: From Air Logistics Network Analysis Perspective. Korean Journal of Logistics 2017, 25, 83 -100.

AMA Style

Hunsoo Lee, Dooyong Jeong, Jinsung Kim, Donghyun Choi. Study on Revitalization of Regional Airport: From Air Logistics Network Analysis Perspective. Korean Journal of Logistics. 2017; 25 (3):83-100.

Chicago/Turabian Style

Hunsoo Lee; Dooyong Jeong; Jinsung Kim; Donghyun Choi. 2017. "Study on Revitalization of Regional Airport: From Air Logistics Network Analysis Perspective." Korean Journal of Logistics 25, no. 3: 83-100.

Journal article
Published: 01 June 2017 in Korean Journal of Logistics
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ACS Style

용휘 노; Byungheon Lee; Donghyun Choi. Growth Rate and Characteristic of Mid-sized Firms: From the Perspective of Sales and Employment. Korean Journal of Logistics 2017, 25, 1 -13.

AMA Style

용휘 노, Byungheon Lee, Donghyun Choi. Growth Rate and Characteristic of Mid-sized Firms: From the Perspective of Sales and Employment. Korean Journal of Logistics. 2017; 25 (2):1-13.

Chicago/Turabian Style

용휘 노; Byungheon Lee; Donghyun Choi. 2017. "Growth Rate and Characteristic of Mid-sized Firms: From the Perspective of Sales and Employment." Korean Journal of Logistics 25, no. 2: 1-13.

Journal article
Published: 01 February 2016 in Korean Journal of Logistics
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ACS Style

Hunsoo Lee; 김현경; Donghyun Choi. Alliance models between SME's and pan-Korean logistics firms in China market. Korean Journal of Logistics 2016, 24, 95 -107.

AMA Style

Hunsoo Lee, 김현경, Donghyun Choi. Alliance models between SME's and pan-Korean logistics firms in China market. Korean Journal of Logistics. 2016; 24 (1):95-107.

Chicago/Turabian Style

Hunsoo Lee; 김현경; Donghyun Choi. 2016. "Alliance models between SME's and pan-Korean logistics firms in China market." Korean Journal of Logistics 24, no. 1: 95-107.

Journal article
Published: 02 June 2015 in Operations Management Research
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This study attempts to contribute to the growing research on green supply chain management (GSCM) strategies by relying on the Natural Resource Based View (NRBV) and relational view. Specifically, this study investigates the role of collaborative capability in moderating the effects of GSCM practices on firm performance. Using hierarchical regression, this study analyzes data from a survey of 230 South Korean manufacturers. The results show that the implementation of GSCM practices can improve both environmental and financial performance of the firm. Also, the findings indicate that firms can expect improved financial performance when they seek a synergistic effect by involving their partners in the GSCM implementation process.

ACS Style

Donghyun Choi; Taewon Hwang. The impact of green supply chain management practices on firm performance: the role of collaborative capability. Operations Management Research 2015, 8, 69 -83.

AMA Style

Donghyun Choi, Taewon Hwang. The impact of green supply chain management practices on firm performance: the role of collaborative capability. Operations Management Research. 2015; 8 (3-4):69-83.

Chicago/Turabian Style

Donghyun Choi; Taewon Hwang. 2015. "The impact of green supply chain management practices on firm performance: the role of collaborative capability." Operations Management Research 8, no. 3-4: 69-83.

Journal article
Published: 01 June 2008 in Korean Journal of Logistics
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ACS Style

Tae- Hyun Kim; Sunmee Choi; Donghyun Choi; Seongam Moon. Dynamics approach to duopoly price competition-Focused on B2B Context. Korean Journal of Logistics 2008, 16, 17 -33.

AMA Style

Tae- Hyun Kim, Sunmee Choi, Donghyun Choi, Seongam Moon. Dynamics approach to duopoly price competition-Focused on B2B Context. Korean Journal of Logistics. 2008; 16 (1):17-33.

Chicago/Turabian Style

Tae- Hyun Kim; Sunmee Choi; Donghyun Choi; Seongam Moon. 2008. "Dynamics approach to duopoly price competition-Focused on B2B Context." Korean Journal of Logistics 16, no. 1: 17-33.