Most investors reach for a broad, market-value-weighted bond fund to fill the bond portion of their portfolio. While no weighting approach is perfect, market-value weighting often provides the most ...

Weighting methods offer an approach to estimating causal treatment effects in observational studies. However, if weights are estimated by maximum likelihood, misspecification of the treatment ...

This presentation examines how the monthly reconstitution of Bloomberg benchmarks creates distinct market dynamics for securities entering and exiting flagship indices. It analyzes the relative ...

TW-BERT is an end-to-end query term weighting framework that bridges two paradigms to improve search results Integrates with existing query expansion models and improves performance Deploying the new ...

Professor of Intelligent Systems and Theme Director of Future & Emerging Technologies, University of Portsmouth When faced with difficult choices, we often rank the alternatives to see how they stack ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Pew Research Center illustration; “Wee People” by Alberto Cairo/ProPublica are ...