Carla Tardi is a technical editor and digital content producer with 25+ years of experience at top-tier investment banks and money-management firms. Eric's career includes extensive work in both ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Vikki Velasquez is a researcher and writer ...

What sparked humanity’s leap from stagnation to prosperity? What lies at the core of inequality among nations? Unified Growth Theory explores the evolution of societies over the entire course of human ...