What If We Ended 401(k) Tax Breaks to Save Social Security?

What You Need To Know

• The bulk of retirement account tax breaks benefit the affluent, Andrew Biggs and Alicia Munnell argued in a recent paper.
• Research shows that tax-preferred retirement accounts don't boost overall household savings, they write.
• Another group of researchers argues the plan would amount to double taxation and would ultimately make the Social Security program less stable.