But not all copulas are created equal. Normal mean-variance mixture copulas can capture heavy tails and asymmetries in the ...

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 ...

Providing utility professionals with critical information related to the planning, design, construction, operations, maintenance and safety of transmission and distribution facilities, including ...

This important study demonstrates that ocular organoids can generate both retina and lens through a non-canonical, "inside-out" morphogenetic route. The work is solid, with well-designed experiments ...