Response to McgAhan and Porter's commentary on 'industry, corporate and business-segment effects and business performance: A non-parametric approach'

• 成果类型: Editorial Material
• 署名作者: Ruefli, TW; Wiggins, RR
• 署名单位: University of Texas System; University of Texas Austin; University of Texas System; University of Texas Austin; University of Memphis
• 刊物名称: STRATEGIC MANAGEMENT JOURNAL
• ISSN/ISSBN: 0143-2095
• DOI: 10.1002/smj.479
• 发表日期: 2005
• 页码: 881-886
• 关键词: non-parametric analysis; Variance Components; analysis; ceteris paribus assumption

摘要

In the comment on Ruefli and Wiggins (2003), a number of points tire made supporting the variance component analysis approach to determining the importance of industry corporate, and business segment factors on business segment performance. This response addresses in more detail the nature of the methodological and statistical assumptions made by variance components analysis or ANOVA and their implications for the 'puzzling' results obtained when these techniques are employed. The response then contrasts the variance-based methodologies with a non-parametric approach used in Ruefli and Wiggins (2003) that makes fewer and weaker assumptions anti Yields more robust and more internally consistent results. The response also examines the limitations of employing an autoregressive approach to measuring persistence of abnormal profits and contrasts it with a non-parametric methodology presented in the article. Copyright (c) 2005 John Wiley & Sons, Ltd.