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 ...

For a 'street science' experiment I approached holidaymakers with a ping-pong ball and a funnel, to show them a classic and counterintuitive science demonstration. It involves something known as ...

What is the 80/20 Rule and could it actually make 80% of your work disappear? If you’ve studied business or economics, you’re well familiar with the power of the Pareto Principle. The Man Behind The ...

The acceleration principle is an economic concept that attributes fluctuations in capital investment to changes in consumer demand.

Forbes contributors publish independent expert analyses and insights. Rodd Wagner is a Minneapolis-based writer who covers worker happiness. It’s not clear just how much Laurence J. Peter was joking ...

The Elevation Principle is simple in definition, but demanding in practice: start where you are—and elevate. Elevate your ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Stop me if you’ve heard this one. Werner Heisenberg is driving down the road when he ...

This guide was reviewed by a Business News Daily editor to ensure it provides comprehensive and accurate information to aid your buying decision. The cost principle is an important part of financial ...

What is the single responsibility principle? The single responsibility principle in Java demands that a class serves a single, clear purpose. Any attempt to add peripheral functionality to a ...

It was 6:30 in the morning, and I was capital-S Stuck. I’d breezed through every other puzzle in this area, but I was one step short of a solution here, and it was driving me insane. I finally decided ...