What you need to know about the Karl Marx theory Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading ...

Conflict theory is an idea presented by Karl Marx that suggests competition for resources keeps people in conflict. Conflict theory offers one explanation for the struggle between socioeconomic groups ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

String theory is perhaps the most high-profile candidate for what physicists call a theory of everything – a single mathematical framework capable of describing the entirety of the known universe. The ...

What if you could predict your competitor’s next move before they even made it? Game theory gives you the tools to do just that. Have you ever noticed how a new product launched by one brand often ...