Carlos Slim — the richest man in the world — has a novel idea: Instead of working five (or more) days a week, bring it down to three.
"You should have more time for you during all of your life, not when you're 65 and retired," he told CNNMoney. But don't get too excited: Slim also thinks shifts should last 11 hours, and people should wait and retire at 75.
Slim got his start investing in bonds at age 12 and stocks a year or so later, and today he's worth more than $80 billion. He thinks that having a shorter work week would make it easier for young people to enter the work force, and older employees could pass down the things they've learned along the way. "It's a society of knowledge and experience," he said. "You have better experience and knowledge when you are 60, 65, and 70."