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Happiness by Design by Paul Dolan, book review: A work in progress with some
   What is happiness?
   indefinable and wilfully elusive. But research into happiness is a
   subsequent evaluation of it. His theory is that happiness consists of
   Dolan goes on to scrutinise various prompts to happiness: music,
   income above the happiness threshold be removed through taxation?
   Back at the academic coalface, Dolan’s theory of happiness is a work in
   progress with some way to go. There’s no doubt that Happiness by Design