MixedThe Financial Times (UK)That underlying pessimism is also present in this new book ... The book advocates for positive political change — though it does not map out any practicalities of how such positive change might be achieved ... [an] extraordinarily rose-tinted agenda ... The issue is that Piketty’s theory of change is motivated by ideology, so articulating a persuasive alternative ideology is enough. And surely a vision of a fair, green, participatory future is persuasive enough? Sadly, what convinces readers in the salon differs from what drives action on the streets, or even in the corridors of power, where Pessimistic Piketty is likely to prove more persuasive than this newly Optimistic Piketty.