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Joseph E. Stiglitz has had a remarkable career. He is a brilliant academic, capped by sharing the Nobel Memorial Prize in Economics and the Nobel Peace Prize, and honorary degrees from Harvard, Cambridge, Oxford and more than fifty other universities, and elected not only to the National Academy of Sciences and the American Academy of Arts and Letters but the Royal Society and the British Academy; a public servant, who served as Chair of President Clinton''s Council of Economic Advisors and Chief Economist and Senior Vice President of the World Bank, headed international commissions for the UN and France, and was awarded the French Legion of Honor and Australia''s Sydney Peace Prize; a public intellectual whose numerous books on vital topics have been best sellers. What brought him to economics were his concerns about the inequality and discrimination he saw growing up. Wanting to understand what drives it and what can be done about it has been his lifelong passion. This book gathers together and extends to new frontiers this lifelong work, drawing upon the challenges and insights of each of these phases of his career. In a still very widely cited paper written fifty years ago, Stiglitz set forth the fundamental framework for analyzing intergenerational transfer of wealth and advantage, which plays a central role in persistent inequality. That and subsequent work, developed most fully here for the first time, described today''s inequality as a result of centrifugal forces increasing inequality and centripetal forces reducing it. In recent decades, the centrifugal forces have strengthened, the centripetal forces weakened. His general theory provides a framework for understanding the marked growth in inequality in recent decades, and for devising policies to reduce it. A central message is that ever-increasing inequality is not inevitable. Inequality is, in a fundamental sense, a choice. Stiglitz explains that inequality does not largely arise from differences in savings rates between capitalists and others, though that may play a role (as Piketty, Marx, and Kaldor suggest); but rather, it originates importantly from the rules of the game, which have weakened the bargaining power of workers as they have increased the market power of corporations. He also explains how monetary authorities have contributed to increasing wealth inequality, and how, unless something is done about it, likely changes in technology such as AI and robotization will make matters worse. He describes policies that can simultaneously reduce inequality and improve economic performance.