WHAT_DRIVES_THE_CHOICE.docx

Agriculture forestry fishing commun i cation

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Agriculture, forestry, fishing Commun i cation Construction Education, health and community services Finance, insurance, property and business Government administration and defense Manufacturing Mining Transport and storage Wholesale and retail trade Company size Small ( <20) Medium (20-200) 0.01 0.03 0.05 0 . 07 0.14 0.01 0.24 0.01 0.17 0.27 0.16 0.35
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Journal of Supply Chain Management Large ( > 200) Country of origin 0.48 Australia/New Zealand 0.28 China 0.33 Hong Kong 0 . 07 India 0.06 Japan 0.05 Korea 0.05 Singapore 0.16 April 2011 103 Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.
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{79 percent of firms use multiple 3PL providers). Thus, even though the firms are common in that they all use Company X, their use of other 3PLs reduces the extent that selection bias is a problem in the sample. ANALYSIS AND RESULTS The MNL model has well-defined statistical properties that can be applied to pooled data or segment-based models . The approach used in this study matche s estab lished conventions, closely mirroring that of previous studies in operations management and marketing (Verma, Plaschka and Louviere 2002; Iqbal et al. 2003) . Our examination of the choice - modeling responses is divided into two stages : ( 1) aggregate level MNL results and (2) a latent class segmentation model. Aggregate Results The first objective of our stud y deals with the trade-offs customers make between attributes. Table 3 shows the relative main e ffects for each attribute with respect to all other attributes within the model - in fact the table lists attributes in order of importance . The main effect values TABLE3 Aggregate MNL Model Beta Relative Main Effects Reliable performance 98-100% of the time 95-97% of the time 92-94% of the
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