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Abstract - Quest for Global Competitiveness - Universidad de Puerto ...

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27Table 10Effect of Adherence to <strong>Global</strong> Sustainability Gui<strong>de</strong>lines over Return on Investmentun<strong>de</strong>r Robust Regression (continued)Predictors Coefficient Standard Error t ratio p valueCB -5.38 8.41 -0.64 0.52MPP -5.44 5.40 -1.01 0.31PM -2.10 3.06 -0.69 0.49BP -18.31 7.80 -2.35 0.02 **TB -0.04 4.61 -0.01 0.99IO 1.48 7.58 0.20 0.85Latin America 8.16 4.54 1.80 0.07 *Caribbean 20.12 8.97 2.24 0.03 **Africa 12.09 6.99 1.73 0.08 *NCAPTA -0.16 0.11 -1.46 0.14NPPEPTA 0.09 0.06 1.54 0.13NPPET -0.07 0.04 -1.95 0.05 **TAT 14.77 5.53 2.67 0.01 ***LTA -0.73 3.65 -0.20 0.84Constant -8.90 6.38 -1.40 0.16Note. The mo<strong>de</strong>l parameter estimates were obtained from applying the robust regression method, withreturn on investment (ROI) equal to (Income from continuing operations/(Common stock + Preferredstock + Long-term <strong>de</strong>bt)) x 100. Variables with variance inflation factors greater than 10 were droppedfrom the mo<strong>de</strong>l, to account <strong>for</strong> multicollinearity in the original mo<strong>de</strong>l. There were 861 companyobservations, R squared equaled 0.09, and the F statistic (20, 840) was 6.74, significant at the 0.01 level.* p< 0.10, ** p< 0.05, *** p< 0.01

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