Former Grandmaster Kenneth Rogoff’s book, This Time is Different: Eight Centuries of Financial Folly by Carmen M. Reinhart and Kenneth S. Rogoff is the #20 top-selling book on amazon.com
FIDE titles are for life, so Ken Rogoff is still an International Grandmaster, though not an active one.
Ken Rogoff was on Charlie Rose’s interview program on PBS the other night. He actually used a chess analogy at one point.