Strategic Interaction Between Brands and KOLs in Live-Streaming E-Commerce: An Evolutionary Game Analysis Using Prospect Theory

This study adopts an evolutionary game theory framework and focuses on the strategic interaction between brands and KOLs. It examines how the two parties interact under conditions of uncertainty and risk, especially when the KOLs’ contract fulfillment capability is low, and how they adjust strategie...

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Main Authors: Shizhe Shao, Yonggang Wang, Zheng Li, Luxin Li, Xiuping Shi, Hao Liu, Ziyu Gao
Format: Article
Language:English
Published: MDPI AG 2025-07-01
Series:Systems
Subjects:
Online Access:https://www.mdpi.com/2079-8954/13/7/528
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author Shizhe Shao
Yonggang Wang
Zheng Li
Luxin Li
Xiuping Shi
Hao Liu
Ziyu Gao
author_facet Shizhe Shao
Yonggang Wang
Zheng Li
Luxin Li
Xiuping Shi
Hao Liu
Ziyu Gao
author_sort Shizhe Shao
collection DOAJ
description This study adopts an evolutionary game theory framework and focuses on the strategic interaction between brands and KOLs. It examines how the two parties interact under conditions of uncertainty and risk, especially when the KOLs’ contract fulfillment capability is low, and how they adjust strategies to achieve sustainable collaboration. Different from previous studies, this paper not only examines objective parameters such as commission rate, brand value, return cost, and reputation risk, but also introduces behavioral factors, including risk preference, loss aversion, and the psychological perception of gains and losses. By modeling the decision-making process of KOLs and brands under uncertainty and risk, the key factors affecting the evolution of cooperation strategies are identified. The simulation results show that although the cooperation strategy (such as information disclosure and truthful promotion) can achieve stability under certain conditions, the system is highly sensitive to external factors (such as environmental uncertainty) and internal psychological factors (such as risk preference and loss sensitivity). This study provides practical suggestions for brands and KOLs to promote long-term cooperation, emphasizing the importance of incentive coordination, reputation risk management, commission structure optimization, and psychological perception regulation. These findings provide practical guidance for enhancing the sustainability of brand–KOL collaborations.
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publishDate 2025-07-01
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series Systems
spelling doaj-art-dd844e8c232b4c1fadfb664cb4d6f11c2025-07-25T13:37:02ZengMDPI AGSystems2079-89542025-07-0113752810.3390/systems13070528Strategic Interaction Between Brands and KOLs in Live-Streaming E-Commerce: An Evolutionary Game Analysis Using Prospect TheoryShizhe Shao0Yonggang Wang1Zheng Li2Luxin Li3Xiuping Shi4Hao Liu5Ziyu Gao6School of Management Engineering, Zhengzhou University of Aeronautics, Zhengzhou 450046, ChinaSchool of Management Engineering, Zhengzhou University of Aeronautics, Zhengzhou 450046, ChinaSchool of Management Engineering, Zhengzhou University of Aeronautics, Zhengzhou 450046, ChinaSchool of Management Engineering, Zhengzhou University of Aeronautics, Zhengzhou 450046, ChinaSchool of Management Engineering, Zhengzhou University of Aeronautics, Zhengzhou 450046, ChinaSchool of Management Engineering, Zhengzhou University of Aeronautics, Zhengzhou 450046, ChinaSchool of Management Engineering, Zhengzhou University of Aeronautics, Zhengzhou 450046, ChinaThis study adopts an evolutionary game theory framework and focuses on the strategic interaction between brands and KOLs. It examines how the two parties interact under conditions of uncertainty and risk, especially when the KOLs’ contract fulfillment capability is low, and how they adjust strategies to achieve sustainable collaboration. Different from previous studies, this paper not only examines objective parameters such as commission rate, brand value, return cost, and reputation risk, but also introduces behavioral factors, including risk preference, loss aversion, and the psychological perception of gains and losses. By modeling the decision-making process of KOLs and brands under uncertainty and risk, the key factors affecting the evolution of cooperation strategies are identified. The simulation results show that although the cooperation strategy (such as information disclosure and truthful promotion) can achieve stability under certain conditions, the system is highly sensitive to external factors (such as environmental uncertainty) and internal psychological factors (such as risk preference and loss sensitivity). This study provides practical suggestions for brands and KOLs to promote long-term cooperation, emphasizing the importance of incentive coordination, reputation risk management, commission structure optimization, and psychological perception regulation. These findings provide practical guidance for enhancing the sustainability of brand–KOL collaborations.https://www.mdpi.com/2079-8954/13/7/528live-streaming e-commerceevolutionary game theoryprospect theorybrands–KOL collaborationcomplex systems
spellingShingle Shizhe Shao
Yonggang Wang
Zheng Li
Luxin Li
Xiuping Shi
Hao Liu
Ziyu Gao
Strategic Interaction Between Brands and KOLs in Live-Streaming E-Commerce: An Evolutionary Game Analysis Using Prospect Theory
Systems
live-streaming e-commerce
evolutionary game theory
prospect theory
brands–KOL collaboration
complex systems
title Strategic Interaction Between Brands and KOLs in Live-Streaming E-Commerce: An Evolutionary Game Analysis Using Prospect Theory
title_full Strategic Interaction Between Brands and KOLs in Live-Streaming E-Commerce: An Evolutionary Game Analysis Using Prospect Theory
title_fullStr Strategic Interaction Between Brands and KOLs in Live-Streaming E-Commerce: An Evolutionary Game Analysis Using Prospect Theory
title_full_unstemmed Strategic Interaction Between Brands and KOLs in Live-Streaming E-Commerce: An Evolutionary Game Analysis Using Prospect Theory
title_short Strategic Interaction Between Brands and KOLs in Live-Streaming E-Commerce: An Evolutionary Game Analysis Using Prospect Theory
title_sort strategic interaction between brands and kols in live streaming e commerce an evolutionary game analysis using prospect theory
topic live-streaming e-commerce
evolutionary game theory
prospect theory
brands–KOL collaboration
complex systems
url https://www.mdpi.com/2079-8954/13/7/528
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