People will make worse financial decisions for them if they're choosing from a lot of options than if they're choosing from a few options. If they have more options they're more likely to avoid stocks and put all their money in money market accounts, which doesn't even grow at the rate of inflation.
Sheena IyengarI put out a good 10 different types of drinks for them and they just said, "Oh, okay, so it's just one choice." One choice? I gave you Coke, Pepsi, Ginger Ale, Sprite. They saw that as one choice. Now why was that one choice? Because they felt, well, it was just all soda.
Sheena IyengarA clear right answer and the opportunity to change the options? This is the chooser’s dream.
Sheena Iyengar