Back in the late 19th century, Italian economist Vilfredo Pareto observed that 80 percent of the land was owned by 20 percent of the ... at 11:59 p.m. PT. Apply now.

According to the Pareto principle, commonly referred to as the 80/20 rule, roughly 80% of outcomes result from 20% of causes. Vilfredo Pareto, an economist from Italy, observed that 20% of the ...