突发性能源短缺应急主体演化博弈研究Evolutionary Game Theory Study on Sudden Energy Emergency
刘晓燕,吕涛
摘要(Abstract):
在突发性能源短缺事件的应急过程中能源供应链企业主观能动性差,普遍采取消极应对策略,研究能源短缺事件应急参与主体的行为策略,对于掌握影响应急主体行为的关键因素和突发性能源短缺事件的发展演化机理,改善中国能源应急过度依赖政府力量的现状具有重要意义。本文基于演化博弈理论构建突发性能源短缺应急主体的博弈模型,研究政府和能源供应链企业两个主体之间的博弈关系,通过对博弈系统进行稳定性分析和演化稳定策略分析,依据能源供应链企业应急成本、政府惩罚力度以及两个主体的协同收益等参数之间的关系得到九种情形,其中在四种情形下博弈系统存在长期演化稳定策略,且能源供应链企业在四种情形下的长期演化稳定策略均为积极应对。结果表明能源应急主体的行为策略选择受到协同收益、政府惩罚力度及能源供应链企业应急成本等参数的影响,且只有当能源供应链企业的应急成本较低或者协同收益较高时,系统才可能存在演化稳定策略,能源供应链企业才有可能在长期反复的博弈过程中一直选择积极应对策略。此外造成能源供应链企业在应急过程中选择消极应对策略的原因包括三点,一是中国突发性能源短缺应急效率低,在整个应急过程中不能达到长期演化均衡状态;二是政府的惩罚力度不合理或协同收益较低;三是能源供应链企业的应急成本较高或者协同收益较低。建议能源供应链企业降低应急成本,政府合理调控惩罚力度,两个主体间提高应急工作的协同度,使系统能够达到演化稳定状态,促使能源供应链企业积极应对突发性能源短缺事件。
关键词(KeyWords): 突发性能源短缺;应急主体;演化博弈
基金项目(Foundation): 国家自然科学基金项目“突发性能源短缺应急响应的组织体系及情景—应对策略研究”(编号:71173218)
作者(Author): 刘晓燕,吕涛
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