Annamaria Lusardi recently released the hyperlinked paper below. Dr. Lusardi is widely known as the Queen of Financial Literacy. You can follow her blog here and her Twitter feed here.
I made a case earlier last week in this piece for SmartBlog (a subsidiary of SmartBrief) that education, specifically financial education, could be an answer to rising inequality. As you can see here, it is a significant problem in the United States.
For those passionate about financial literacy, the following paper is fantastic work: Optimal Financial Knowledge and Wealth Inequality