Since expenditures are heavily skewed, the top 5 percent of patients by cost contribute a disproportionate amount to the mean ...

Variance is the key ingredient that gamblers need to make a profit and an essential part of casino games. Understanding how variance works, and allowing it to play its course is crucial for making a ...

Antonov’s latest paper, co-authored with Lopez de Prado and Adia’s co-head of quant R&D Alexander Lipton, compares HRP with the original Markowitz method and finds that it produces more robust risk ...

Mean-variance analysis, despite all of its shortcomings, does offer a few strong points – it is the workhorse of the industry, it offers a tractable outcome and is easy to implement. We sought to ...