Warren Buffett has consistently advised investors to follow a simple approach, diversifying broadly and minimizing costs. In fact, he recommended the trustee that will manage his wife's bequest to stick to a simple 90-10 stock-bond portfolio. Is this a sensible strategy for retirees in general?...

Investors increasingly can obtain assistance from "robo-advisors," artificial intelligence - enabled digitalized service agents imbued with anthropomorphic design elements that can communicate using natural language. The present article considers the impact of anthropomorphized robo-advisors on...