Guest post by Professor Lawrence J. White, NYU Stern School of Business

Overshadowed by the media attention to the proposed repeal of Obamacare, the House Financial Services Committee recently approved substantial changes in financial regulation. The House of Representatives may soon consider the proposed bill—the Financial CHOICE Act—which would make major changes in the Dodd-Frank Act.

However, when financial regulation is being discussed, there is a large elephant that isn’t in the room, but really should be: Walmart. Starting in the mid-1990s, Walmart made two separate efforts to enter banking in the United States, but was repelled both times. After its second effort was rebuffed in 2007, Walmart gave up this effort in the United States (but has since entered banking in Canada and in Mexico).

One question to ask might be, “Why should Walmart be allowed to enter banking?” But a more relevant question would be, “Why shouldn’t Walmart be allowed to enter banking?” ….