Add a vest or backpack to your walks and build strength, balance and endurance — here’s a safe four-week plan to start.

Microsoft's spreadsheet program can do way more than you might realize. These are the hacks and tricks you need to know.

Formula investing promises investors a systematic, rules-based approach to outperforming the market. In their December 2024 paper "Formula Investing," Marcel Schwartz and Matthias Hanauer evaluated ...

Weighted average derivatives are useful parameters for semiparametric index models and nonparametric demand analysis. This paper gives efficiency results for average derivative estimators, including ...