Sensitivity of PSHA results to ground motion prediction relations and logic-tree weights

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Quantification of model uncertainty and variability in Newmark displacement analysis (2018, result): “This result corroborates with findings from other scholars [40,41].”
Criteria for Selecting and Adjusting Ground-Motion Models for Specific Target Regions: Application to Central Europe and Rock Sites (2006, background): “It has been shown recently that the selection of ground-motion models is vitally important and generally exerts a much greater influence on the hazard results than the details of the weighting scheme (Sabetta et al., 2005).”
Composite Ground-Motion Models and Logic Trees: Methodology, Sensitivities, and Uncertainties (2005, background): “The small influence of different weighting scenarios on the central tendency of the composite model provides a simple explanation for the observation of Sabetta et al. (2005) , who also found in their study that the mean hazard showed very little dependence on the weighting strategy.”
Logic Tree Branch Weights and Probabilities: Summing up to One is not Enough (2011, background): “Due to the complex nature and often large scale of modern probabilistic seismic hazard analysis, these effects might in practice be quite difficult to detect but there have been reports which could be interpreted in this context (Sabetta et al. 2005, Scherbaum et al. 2005).”