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增加参与者的异质寡头断游戏的稳定性分析:一种计算方法
Ruirui Hou1, Xiaoliang Li2,3, Wenshuang Wan1
1School of Management, Guangdong University of Science and Technology, Dongguan, China.
PloS one
|November 3, 2025
概括
在寡头市场中增加更多异质企业,扩大了Cournot-Nash平衡的稳定区域. 这项研究探讨了市场动态和稳定性,并增加了企业的多样性.
科学领域:
- 经济学 经济学 经济学
- 游戏理论 游戏理论
- 数学经济学数学经济学
背景情况:
- 寡头市场的特点是少数公司.
- 市场稳定对于经济的可预测性至关重要.
- 不同质的公司在市场模式中引入了复杂性.
研究的目的:
- 分析异质企业数量的增加对市场稳定的影响.
- 调查库诺-纳什平衡局部稳定的条件.
- 探索复杂的动态,比如寡头市场中的混乱.
主要方法:
- 使用圆柱形代数分解进行分析调查.
- 数字模拟用于研究市场动态.
- 模拟具有单弹性需求和二次性成本的寡头市场.
主要成果:
- 库诺-纳什平衡的稳定区域随着异质企业的数量增加而增加.
- 数字模拟显示周期性轨道和混乱,因为稳定性丢失.
- 不同的成本参数导致比相同的参数更复杂的市场动态.
结论:
- 在Cournot-Nash平衡模型中,企业异质性增加增加了市场稳定性.
- 复杂的动态超出了稳定的平衡,需要进一步调查.
- 成本结构的异质性显著复杂化了市场行为.
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