The predictive accuracy of a survival model can be summarized using extensions of the proportion of variation explained by the model, or R^2, commonly used for continuous response models, or using extensions of sensitivity and specificity which are commonly used for binary response models.In...

The following dialog on the proper roles of government and universities in meeting a vexing social challenge grew out of an evening of wine and cordial disagreement between two friends with different backgrounds and perspectives. The problem: How does the nation provide equal educational...

The purpose of the paper is (1) to analyze the potential and the incentives for a vertically integrated input monopolist to engage in price-discrimination when there is downstream entry, and (2) to examine the question, whether a cost-based regulation of access charges for electricity grids...