Almost every day you can find in media commentary that XYZ is causing stocks to fall (or rise). Such definitive statements are common—but what’s almost always missing is statistical proof. And if you ...

Lehigh researchers create new method that improves consistency between predicted and observed data. An international team of mathematicians led by Lehigh University statistician Taeho Kim has ...

Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...

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 ...

A procedure is described for estimating the correlation between two variables that, individually, can only be observed through destructive testing. The procedure involves proof loading a unit in one ...

Let Q = (Q₁ ,..., Qn) be a random vector drawn from the uniform distribution on the set of all n! permutations of {1, 2, ..., n]. Let Z = (Z₁ ,..., Zn), where Zj is the mean zero variance one random ...