Management strategy of carbon sequestration forest under carbon sequestration price insurance

doi:10.12302/j.issn.1000-2006.202303026

JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2024, Vol. 48 ›› Issue (5): 267-274.doi: 10.12302/j.issn.1000-2006.202303026

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Management strategy of carbon sequestration forest under carbon sequestration price insurance

GUI Zhi¹(), PENG Hongjun¹^,^*(), SHI Ligang²

1. College of Economics and Management, Jinpu Research Institute,Nanjing Forestry University, Nanjing 210037,China
2. School of Economics and Management, Southeast University, Nanjing 211189,China

Received:2023-03-20 Revised:2023-07-11 Online:2024-09-30 Published:2024-10-03
Contact: PENG Hongjun E-mail:guipurple@163.com;penghj@njfu.edu.cn

Abstract

Abstract:

【Objective】 Under the background of a “dual carbon” objective, the optimal management strategy of carbon sink forest under carbon sink price insurance was studied with the aim of providing a reference for decision-making of carbon sink forest management.【Method】 Taking the carbon sink price insurance contract composed of forest operators and insurance companies as the research object, the conditional value at risk (CVaR) measurement criterion and Stackelberg game model were used to study the management strategy of carbon sink under carbon sink price insurance.【Result】When the target price of carbon sink in carbon sink price insurance was low, the increase of risk avoidance degree of forest operators would reduce the planting scale of carbon sink forests, the total carbon sink, and insurance cost, but would increase the carbon sink per unit area. In contrast, when the target price of carbon sink in carbon sink price insurance was high, the planting scale of carbon sink forests, the total amount of carbon sink, and the insurance cost were not affected by the risk avoidance degree of forest enterprises. The results also showed that increases in the target price of carbon sink and the subsidy rate of carbon sink price insurance could increase the planting scale and the total carbon sink but reduced the carbon sink per unit area. In addition, if the government provided the same amount of premium subsidies to forest enterprises and insurance companies respectively, government subsidies for insurance companies could promote the growth of planting scale and total carbon sink more than subsidies for forest enterprises, but the marginal efficiency of both subsidy methods was decreasing. 【Conclusion】Forest enterprises can reduce the impact of their risk avoidance behavior on carbon sequestration forest management by purchasing carbon sequestration price insurance. When forest enterprises and insurance companies agree on the target price of carbon sink in carbon sink price insurance, they should set the target price of carbon sink within a reasonable range. The government can combine subsidies to forest enterprises and insurance companies to improve the quality and supply of carbon sinks.

Key words: carbon sink price insurance, planting scale, carbon sink, government subsidy

CLC Number:

S7-9
F842.6

GUI Zhi, PENG Hongjun, SHI Ligang. Management strategy of carbon sequestration forest under carbon sequestration price insurance[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2024, 48(5): 267-274.

Figures/Tables 5

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变量 variable	含义 meaning	变量 variable	含义 meaning
c₁	营林主体单位面积种植成本	s	碳汇林的种植规模
a₁	营林主体对碳汇林规模投入努力成本系数	ε	单位面积碳汇量
a₂	营林主体对碳汇林质量投入努力成本系数	Q(=sε)	碳汇总量
c₂	保险公司单位经营成本	r	碳汇林单位保险费用
w_r	碳汇保险合同中约定的碳汇目标价格	θ₁	政府对营林主体保险费用补贴率
w	碳汇市场价格	θ₂	政府对保险公司经营成本补贴率
L,H	碳汇市场价格波动区间的下限和上限	π_c,π_i	营林主体和保险公司的期望利润

Management strategy of carbon sequestration forest under carbon sequestration price insurance

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