Bursting the Bubble Tulips were the first, but they won’t be the last. What forms a “bubble” and what causes them to burst? Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content What Do Your Taxes Pay For? Here's a breakdown of how the federal government spends your tax money. Catch-Up Contributions Workers 50+ may make contributions to their qualified retirement plans above the limits imposed on younger workers. Volunteering in Retirement For many, retirement includes contributing their time and talents to an organization in need.