Where \(X\) is a normally distributed random variable with mean \(\mu\) and standard deviation \(\sigma\). The peak of the curve occurs at \(x=\mu\), and the spread ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J. Brock is a CFA and CPA with more ...

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 ...

The past 150 years have witnessed one of the greatest of human achievements. In 1870 average global life expectancy was about 30 years; today it is 73 and rising (Deaton 2015). Further, the proportion ...

There are three major ways by which the rate of genetic drift can be modelled in the simplest type of population: increase in variance of allele frequencies; approach to identity by descent of all ...

When tech giant Microsoft (MSFT) revealed that it was launching a return-to-office (RTO) mandate like many other companies have done lately, it started an immediate firestorm of response. It started ...

Abstract: We investigate discrete-time mean–variance portfolio selection problems viewed as a Markov decision process. We transform the problems into a new model with a deterministic transition ...

Abstract: We study in this correspondence paper a solution scheme which solves a periodic review multiperiod inventory problem under a mean-variance (MV) framework. We first investigate a primal ...

Apple TV's Severance premiered in 2022 and has broken numerous records to become one of the most popular sci-fi psychological thrillers in recent years. The series revolves around a biotech company, ...

Implementation of an adaptive mean shift algorithm in python, intended to be used on datasets with varying local scale. For each point, a cluster cardinality is estimated by locating the minimum ...

Buying a home for just €1 sounds like a dream. But Money feature writer Brad Young has been investigating the reality. One DIY novice found a padlocked chest with hidden secrets - but another planned ...