Explaining Piketty's success

       Thomas Piketty's Capital in the Twenty-First Century continues to be one of this year's unlikely publishing success-stories -- a university press-publication, a work in translation (indeed, I wonder how many have sold more copies this year), and, well, on some level, a pretty scholarly-dry tome (though it is, in fact, a pretty good read). In The Guardian they ask now four "star economists and finance experts" (and no literary experts, oddly enough) Why is Thomas Piketty's 700-page book a bestseller ?
       (I've been impressed by the book, but the surfeit of reactions and reviews has kept me from posting review-coverage for now; meanwhile, see the Harvard University Press publicity page, or get your copy at Amazon.com or Amazon.co.uk.)