I don’t remember exactly when I first read about the Pareto principle, but I’m certain I did not understand it early in my career. It wasn’t until I was running a multimillion-dollar company in which ...

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 ...

Opinions expressed by Entrepreneur contributors are their own. Whether you’re a seasoned vet or just launching your first business, I’m sure you’ve at least heard of the 80/20 Rule, aka the Pareto ...

The Pareto Principle says that around 80 percent of the effects arise from around 20 percent of the causes. In business, a rule of thumb is that 80 percent of output is produced by 20 percent of the ...