Matt Levine, Columnist

You Can Invest Just Like Warren Buffett, If You're a Quant Hedge Fund

If you were good at math and had access to cheap leverage, you could build a robot Warren Buffett, though it probably couldn't play the ukulele.

The Internet has paid a lot of attention today to this National Bureau of Economic Research working paper called "Buffett's Alpha,"1 whose principal conclusions are:

1. You could build a robot that replicates Warren Buffett's stock-picking performance.