Response to McGahan and Porter's Commentary on 'Industry, Corporate and Business - Segment Effects and Business Performance : A Non - Parametric Approach'  

Oleh:

Ruefli, Timothy W. ; Wiggins, Robert R.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Strategic Management Journal vol. 26 no. 9 (Sep. 2005), page 881-886.
Topik: BUSINESS; non - parametric analysis; variance components analysis; ceteris paribus assumption

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: SS30.20 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

In the comment on ruefli and wigins (2003), a number of points are 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 examines the limitations of employing an autoregressive approach to measuring persostence of abnormal profits and contrasts it with a non - parametric methodology presented in the article.

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