7 results on '"Qian, Xiaohu"'
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2. Selecting green third party logistics providers for a loss-averse fourth party logistics provider in a multiattribute reverse auction.
- Author
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Qian, Xiaohu, Fang, Shu-Cherng, Yin, Mingqiang, Huang, Min, and Li, Xin
- Subjects
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GREEN movement , *CHOQUET theory , *PROSPECT theory , *LOSS aversion , *BEHAVIORAL assessment , *MULTIPLE criteria decision making - Abstract
• A green winner determination with conflicting and interactive attributes is studied. • The loss-averse behavior with an internal reference point of a 4PL is considered. • Prospect theory and Choquet integral are integrated into AHP for decision making. • A novel, effective, and robust method is proposed for determination of green 3PLs. • Managerial insights are drawn for 4PLs and 3PLs in the logistics industry. Existing winner determination models tend to overlook the sustainable attributes of third party logistics (3PL) providers. This paper investigates a novel green winner determination problem that has several features, including (i) the sustainable attributes with conflicting and interactive properties of potential 3PLs, and (ii) the loss-averse behavior with an internal reference point of a fourth party logistics (4PL) provider. For the attributes with a combination of crisp data, interval numbers and intuitionistic 2-tuple linguistic terms, we integrate the prospect theory (PT) and Choquet integral with the "benefits, opportunities, costs and risks (BOCR)" framework to propose a novel PTC-BOCR solution method. Numerical experiments are conducted to illustrate the effectiveness and applicability of PTC-BOCR by comparing it with some known methods. Comparison analysis indicates that PTC-BOCR is robust with respect to the variance of 3PLs' attribute values, while behavioral parameter analysis reveals that the loss-averse behavior of the 4PL is intensified as the difference of 3PLs varies. Managerial insights are also drawn for green 3PLs to win the auction. This study is a significant extension of traditional decision-making methods, which could benefit the realization of a sustainable logistics system in a cost-effective way for 4PLs. [ABSTRACT FROM AUTHOR]
- Published
- 2021
- Full Text
- View/download PDF
3. Winner determination of loss-averse buyers with incomplete information in multiattribute reverse auctions for clean energy device procurement.
- Author
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Qian, Xiaohu, Fang, Shu-Cherng, Huang, Min, and Wang, Xingwei
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ANALYTIC hierarchy process , *CLEAN energy industries , *PUBLIC utilities , *AUCTIONS , *PROSPECT theory - Abstract
Clean energy is an important source to mitigate the pressure of resources shortage and environmental effects. While multiattribute reverse auction is frequently adopted for the procurement efficiency of clean energy devices, the associated winner determination problem is explicitly studied for a utility company/buyer to select the most appropriate supplier in the clean energy market. Considering the buyer's loss-averse behavior with incomplete information and suppliers' conflicting attributes in different types evaluated by multiple experts, we incorporate an I U L O W A f (induced uncertain linguistic ordered weighted averaging) operator and a revised TODIM (an acronym in Portuguese of Interactive and Multi-attribute Decision Making) measure that is consistent with prospect theory into the "benefits, opportunities, costs and risks" (BOCR) framework to develop a novel BOCR-uRTODIM solution method for multi-attribute decision making. Numerical experiments illustrate the effectiveness and robustness of the proposed method by comparing it with some known methods. An interesting result indicates that the risk aversion degree of the buyer increases as the variance of suppliers' attributes expands. The BOCR-uRTODIM could be a useful tool for utility companies to avoid losses and for associated suppliers to improve their attributes for a win in the clean energy industry. • Reverse auction for the clear energy device procurement is studied. • Utility companies' loss-averse behavior and incomplete information are considered. • Prospect theory is integrated into analytic hierarchy process for decision making. • A novel, effective, and robust method is proposed for determining the winner. • Managerial insights are drawn for utility companies in the clean energy industry. [ABSTRACT FROM AUTHOR]
- Published
- 2019
- Full Text
- View/download PDF
4. Sustainable–responsive winner determination for transportation service procurement auctions under accidental disruptions.
- Author
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Qian, Xiaohu, Yin, Mingqiang, Chan, Felix T.S., Zhang, Jiahua, and Huang, Min
- Subjects
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AUCTIONS , *STOCHASTIC programming , *COMPETITIVE advantage in business , *SENSITIVITY analysis , *FORTIFICATION - Abstract
This paper investigates a new winner determination problem with sustainable and responsive concerns under disruption risks for transportation service procurement auctions. In such an auction, a fourth party logistics (4PL) provider purchases transportation services from multiple third party logistics (3PL) providers. We develop a two-stage stochastic mixed-integer programming model that incorporates two features, including (i) a sustainable–responsive constraint to quantitatively describe the sustainability and responsiveness performance, and (ii) an effective hybrid mitigation strategy that combines the fortification policy with the temporary outsourcing service policy to mitigate disruptions. To determine winning 3PLs, a reduced scenario-based approximation approach is developed to solve the model and obtain a nearly optimal solution very quickly. Numerical experiments are conducted to illustrate the effectiveness and applicability of our model and method by using randomly generated instances as well as real data of a Chinese 4PL firm. Compared with existing studies, sensitivity analysis indicates that our proposed model can significantly reduce the 4PL's expected cost and improve the long-term competitive advantages. Managerial implications are also drawn for 4PLs to run a sustainable–responsive logistics system under disruptions in a cost-effective way. [ABSTRACT FROM AUTHOR]
- Published
- 2021
- Full Text
- View/download PDF
5. Winner determination for logistics service procurement auctions under disruption risks and quantity discounts.
- Author
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Yin, Mingqiang, Qian, Xiaohu, Huang, Min, and Zhang, Qingyu
- Subjects
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THIRD-party logistics , *AUCTIONS , *LOGISTICS - Abstract
Disruption risks and quantity discounts have not been explicitly studied in traditional winner determination problems. This paper investigates an innovative winner determination problem with accidental disruptions and quantity discounts for a fourth party logistics provider in a logistics service procurement auction. An effective hybrid strategy that integrates a fortification policy with an outside option policy is developed to mitigate possible disruptions. Integrating the hybrid strategy with a piecewise-linear discount function, a stochastic nonlinear winner determination model is constructed. Utilizing a linearization technique, such a nonlinear winner determination model can be reformulated as a mixed integer linear program. To obtain nearly optimal solutions, a scenario-based approximation method is developed, including a reduced scenario technique and a dual decomposition Lagrangian relaxation technique. Numerical experiments are conducted to illustrate the effectiveness and applicability of the proposed model and method. When the discount parameter decreases or the disruption probability increases, the fortification policy becomes more important for the logistics system. An interesting result indicates that both the auctioneer and bidders may benefit from considering the discount policy. Managerial implications are drawn for fourth party logistics providers to run a reliable logistics system in a cost-effective way. • A nonlinear winner determination (WD) with disruptions and discounts is studied. • Fortification and outside option policies are integrated to address disruptions. • The nonlinear WD is reformulated as a linear one by a superior expression method. • An effective approximation method is developed to obtain near-optimal solutions. • Managerial implications are drawn for 4PLs and 3PLs in the logistics industry. [ABSTRACT FROM AUTHOR]
- Published
- 2021
- Full Text
- View/download PDF
6. The influence of mechanical strain on the optical properties of spherical gold nanoparticles
- Author
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Qian, Xiaohu and Park, Harold S.
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STRAINS & stresses (Mechanics) , *NANOPARTICLES , *MECHANICAL behavior of materials , *GOLD , *MATERIALS compression testing , *TENSILE architecture , *RAMAN effect , *OPTICAL materials - Abstract
Abstract: We utilize classical Mie scattering theory to investigate the effects of tensile and compressive mechanical strain on both the far field (absorption, scattering and extinction efficiencies) and near field (surface enhanced Raman scattering) optical properties of spherical gold nanoparticles with diameters ranging from 10 to 100nm. By accounting for the strain effects on both the ionic core (bound) and conduction (free) electrons through appropriate modifications of the bulk dielectric functions, we find that gold nanoparticles are relatively sensitive to the effects of mechanical strain due to the fact that the plasmon resonance wavelength for spherical gold particles, which occurs around , is nearly coincident with the interband transitions of the core electrons. Specifically, we find that tensile strain leads to significant enhancements ranging from 60% to 120% in the far field optical efficiencies, while compressive strain leads to similar decreases, and that the plasmon resonance wavelength can be red or blueshifted up to 100nm due to the applied strain. Finally, we find that tensile strain also strongly enhances the local electric (E)-field at the surface of the nanoparticles, which is of considerable interest for surface-enhanced Raman scattering applications; 5% tensile strain is found to enhance the intensity by 63%. The present results demonstrate the potential of mechanical strain, and specifically that of tensile mechanical strain in enhancing and tailoring the optical properties of gold nanoparticles. [Copyright &y& Elsevier]
- Published
- 2010
- Full Text
- View/download PDF
7. Channel coordination of a two-echelon sustainable supply chain with a fair-minded retailer under cap-and-trade regulation.
- Author
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Qian, Xiaohu, Chan, Felix T.S., Zhang, Jiahua, Yin, Mingqiang, and Zhang, Qingyu
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SUPPLY chains , *FOOD traceability , *CONTRACT negotiations , *SUPPLY chain management , *MATHEMATICAL models , *WHOLESALE prices , *NUMERICAL analysis - Abstract
With the growing level of public environmental consciousness, sustainability has become an important issue in the area of supply chain management. This paper focuses on a channel coordination problem in a two-echelon sustainable supply chain involving one socially responsible manufacturer and one fair-minded retailer. Constructing mathematical models to characterize the problem, four particular contracts are developed to investigate the environmental performance and channel profit under the framework of two non-cooperative contracts: wholesale price and two-part tariff, and two cooperative contracts: Nash bargaining and Rubinstein bargaining. Theoretical analysis verified by numerical experiments shows that the wholesale price contract performs worse than the other three in terms of the carbon emission per unit product and channel profit. In addition, the two-part tariff contract can partially coordinate the supply chain, whereas both bargaining contracts can achieve perfect coordination to provide outcomes of the centralized decision. Comparing with the fair-neutral scenarios, we find that the fairness behavior promotes the retailer's profit, but reduces the manufacturer's profit under different contracts. Sensitivity analysis reveals that with intensified fairness concerns, the sustainability level and channel profit diminish under non-cooperative contracts, but remain the same under cooperative contracts. The Nash bargaining and Rubinstein bargaining contracts are robust to the degree of the retailer's fairness behavior and could be the best choice for the socially responsible manufacturer. • A channel coordination issue in a two-echelon sustainable supply chain is studied. • Four contracts are developed to examine the impact of retailer's fairness behavior. • Fairness behavior worsens wholesale price contract compared to two-part tariff one. • Nash and Rubinstein bargaining contracts are robust to levels of fairness concerns. • Both bargaining contracts achieve perfect coordination in reducing carbon emission. [ABSTRACT FROM AUTHOR]
- Published
- 2020
- Full Text
- View/download PDF
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