Global Supply Chain Quality Management

Impact of Recalls on Retailer Shareholder Wealth ◾ 255

a recall of a privately branded product, compared with a nationally branded prod-

uct. Similarly, the t test and Wilcoxon-Mann-Whitney test results indicated that

there was a signicant dierence in the cumulative abnormal returns (CARs) for

privately vs. nationally branded product recall announcements.

e results of the hierarchical regression analysis are presented in Table 15.4.

e variance ination factor (VIF) values indicate that multicollinearity was not a

problem. Model 1 includes only the control variables, in order to provide a baseline.

e signicant change in R

2

for Model 2 indic ...