JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) ›› 2024, Vol. 59 ›› Issue (1): 85-99.doi: 10.6040/j.issn.1671-9352.0.2022.412

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Government subsidy strategy of low carbon supply chain considering retailer's corporate social responsibility

Feng LI(),Chun-long CHENG*(),Ye-feng GUO   

  1. School of Business Administration, Xinjiang University of Finance & Economics, Urumqi 830012, Xinjiang, China
  • Received:2022-07-23 Online:2024-01-20 Published:2024-01-19
  • Contact: Chun-long CHENG E-mail:464486327@qq.com;675753995@qq.com

Abstract:

Considering that retailers have corporate social responsibility(CSR), a tripartite game model consisting of government, manufacturers, and retailers was established to compare and analyze the social welfare, carbon emission reduction rate, demand for low-carbon products, and environmental improvement under four different subsidy strategies: no government subsidy, R&D subsidy, production subsidy, and a dual subsidy which composed of R&D subsidy and production subsidy, the optimal subsidy strategy of the government was studied. The results indicate that the improvement of consumer low-carbon preferences and research and development efficiency will promote environmental improvement and increase product emission reduction rates, demand for low-carbon products, corporate profits, and social welfare levels. As the CSR level of retailers increases, the government will reduce subsidies, but the overall social welfare, product emission reduction rate and demand for low-carbon products will not decrease. All four subsidy strategies are conducive to increasing carbon emission reduction rates, demand for low-carbon products, social welfare levels, and promoting environmental improvement, thereby better achieving economic, social, and environmental goals. Manufacturers prefer the government's dual subsidy strategy, while retailers prefer the R&D subsidy policy when their CSR level is high, otherwise, they prefer the dual subsidy strategy.

Key words: corporate social responsibility, low carbon supply chain, carbon subsidy, game model

CLC Number: 

  • F274

Table 1

Model symbol description"

符号 含义 符号 含义
θ 低碳技术研发投入补贴系数, 0≤θ<1 a 产品的市场容量, a>c
μ 低碳产品单位补贴数额 k 研发投入成本系数, 1/k为研发效率, k>0
r 制造商的单位产品碳减排率, 0≤r<1 γ CSR实施水平, 0≤γ≤1
w 制造商的批发价格 GS 政府补贴支出
c 制造商的单位产品成本, c>0 πij 各决策者的收益, i=g, m, r, j=N, T, Q, D
p 零售商的零售价格 Vj 零售商的效用, j=N, T, Q, D
β 消费者低碳偏好程度 SWj 社会总福利, j=N, T, Q, D
q 产品的市场需求

Fig.1

Supply chain structure diagram"

Table 2

Comparative analysis of game results in different situations"

变量 无政府补贴(N) 技术补贴(T) 产量补贴(Q) 双重补贴(D)
πj*g kA2[(2-β)β+k(7-4γ)] 2[2k(2-γ)-β2]2 A2[1+(7-4γ)k] 8k(γ-2)2-2βB kA2 2[k-β(2+β)] kA2 2[k-(1+β)2]
πj*m kA2 2[2k(2-γ)-β2] A2[2k(2-γ)-β] 8k(2-γ)2-2βB kA2[2k(2-γ)-β2] 2[k-β(2+β)]2 kA2[2k(2-γ)-β(1+β)] 2[k-(1+β)2]2
πj*r k2A2(1-γ) [2k(2-γ)-β2]2 A2[2k(2-γ)-β]2(1-γ) [4k(2-γ)2-βB]2 k2A2(1-γ) 2[k-β(2+β)]2 k2A2(1-γ) [k-(1+β)2]2
rj* Aβ 2k(2-γ)-β2 (7β-4βγ+4-2γ)A 4(2-γ)2k-βB Aβ k-β(2+β) A(1+β) k-(1+β)2
qj* kA 2k(2-γ)-β2 A[2(2-γ)k-β] 4(2-γ)2k-βB kA k-β(2+β) kA k-(1+β)2
EIj* k2A2β [2k(2-γ)-β2]2 A2[2k(2-γ)-β](B-4+2γ) [4(2-γ)2k-βB]2 kA2β [k-β(2+β)]2 kA2(1+β) [k-(1+β)2]2

Fig.2

Impact of k on social welfare"

Fig.3

Impact of β on social welfare"

Fig.4

Impact of γ on social welfare"

Fig.5

Effect of k on carbon emission reduction rate"

Fig.6

Effect of β on carbon emission reduction rate"

Fig.7

Effect of γ on carbon emission reduction rate"

Fig.8

Effect of k on demand under different CSR levels"

Fig.9

Effect of β on demand"

Fig.10

Effect of γ on demand"

Fig.11

Impact of k、β、γ on environmental improvement"

Fig.12

Impact of k on manufacturer's profit"

Fig.13

Impact of k on retailer's profit"

Fig.14

Impact of β on manufacturer's profit"

Fig.15

Impact of β on retailer's profit"

Fig.16

Impact of γ on manufacturer's profit"

Fig.17

Impact of γ on retailer's profit"

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