论文

企业投资决策:“并驾齐驱”还是“迎头赶上”?

摘要

同伴效应并非只是公司间投资决策的盲目跟从。企业不仅有从同伴公司学习和获取信息的需求,还有追赶同伴公司的目标。本文以2009~2018年我国上市公司为样本,以同伴公司的股票回报信息为工具变量,采用两阶段回归法对同伴效应及影响因素进行实证检验。研究发现,我国上市公司的投资决策存在同伴效应,但公司之间的投资决策趋异而非趋同;进一步研究发现,焦点公司的投资决策参考领头公司和领先公司,追赶效应更符合同伴公司间的竞争关系;此外,焦点公司追赶领先公司更有利于提高公司投资绩效和提升公司价值。

作者

林煜恩 (1981- ),男,吉林大学商学与管理学院副教授,硕士研究生导师,研究方向为公司理财、资产定价、公司治理、企业社会责任。
苏秀芬 (1996- ),女,中山大学管理学院金融学研究生,研究方向为公司金融。
卢扬 (1993- ),长春财经学院会计学院教师,研究方向为公司金融、公司治理。
郑登元 (1963- ),男,南京审计大学金融学院教授,研究方向为行为金融、公司金融。

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企业投资决策:“并驾齐驱”还是“迎头赶上”?

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论文目录

  • 引言
  • 1 文献综述
    1. 1.1 同伴效应
    2. 1.2 追赶效应
  • 2 研究假设
  • 3 研究设计
    1. 3.1 样本选择与数据来源
    2. 3.2 变量的选取与度量
      1. 3.2.1 被解释变量
      2. 3.2.2 主要解释变量
      3. 3.2.3 同伴行为解释变量
      4. 3.2.4 控制变量
    3. 3.3 模型设计
      1. 3.3.1 股票回报冲击
      2. 3.3.2 基础回归模型
      3. 3.3.3 未来绩效回归模型
  • 4 实证结果分析
    1. 4.1 投资同伴效应存在性检验
      1. 4.1.1 回归结果分析
      2. 4.1.2 内生性检验
    2. 4.2 投资同伴效应的异质性检验
    3. 4.3 同伴效应的经济效果检验
    4. 4.4 稳健性检验
  • 结论

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