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b'The endless pursuit of G.D.P., argues the economist Kate Raworth, shortchanges too many people and also trashes the planet. Economic theory, she says, \\u201cneeds to be rewritten\\u201d \\u2014 and Raworth has tried, in a book called Doughnut Economics. It has found an audience among reformers, and now the city of Amsterdam is going whole doughnut.'