Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Osi Momoh is an expert on corporate finance and accounting, bonds, trading, cryptocurrency, and much more. Osi has 10+ years of experience in the investment industry, having served as a client-facing ...

The work of Royall and Herson (1973a, 1973b), ensuring the robustness of the standard ratio estimator against polynomial superpopulation models by choosing balanced samples, is extended to a more ...

Patterns of resource selection by animal populations emerge as a result of the behavior of many individuals. Statistical models that describe these population-level patterns of habitat use can miss ...

Hans von Spakovsky is an authority on a wide range of issues—including civil rights, civil justice, the First Amendment, immigration. The 2020 Post-Enumeration Survey (PES) revealed significant errors ...