Libraries are collections of shared code. They're common in Python, where they're also called "modules," but they're also ...

For estimating the mean of a finite population using information on an auxiliary variable, a class of estimators is defined as a function of the ratio of sample mean to population mean and the ratio ...

This paper develops tests of unconditional mean-variance efficiency under weak distributional assumptions using a Generalized Method of Moments framework. These tests are potentially more robust than ...