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A chronicle of recent events that have shaken the world, from the author of Capital in the Twenty‑First Century Praise for Time for Socialism: "Lively, thought‑provoking, grounded in facts, and resolutely optimistic—these essays grapple with the big questions of our time, from the rise of Trumpism and Brexit, to gender inequality and wealth taxation."—Gabriel Zucman, University of California, BerkeleyPraise for Capital in the Twenty-First Century:"Piketty [is] arguably the world's leading expert on income and wealth inequality."—Paul Krugman, New York Times "Piketty has emerged as a rock star of the policy-intellectual world. . . . But make no mistake, his work richly deserves all the attention it is receiving."—Lawrence H. Summers, Democracy As a correspondent for the French newspaper Le Monde, world-renowned economist Thomas Piketty has documented the rise and fall of Trump, the drama of Brexit, Emmanuel Macron's ascendance to the French presidency, the unfolding of a global pandemic, and much else besides, always from the perspective of his fight for a more equitable world. This collection brings together those articles and is prefaced by an extended introductory essay, in which Piketty argues that the time has come to support an inclusive and expansive conception of socialism as a counterweight against the hypercapitalism that defines our current economic ideology. These essays offer a first draft of history from one of the world's leading economists and public figures, detailing the struggle against inequalities and tax evasion, in favor of a federalist Europe and a globalization more respectful of work and the environment

"This paper analyzes the problem of optimal taxation of top labor incomes. We develop a model where top incomes respond to marginal tax rates through three channels: (1) the standard supply-side channel through reduced economic activity, (2) the tax avoidance channel, (3) the compensation bargaining channel through efforts in influencing own pay setting. We derive the optimal top tax rate formula as a function of the three elasticities corresponding to those three channels of responses. The first elasticity (supply side) is the sole real factor limiting optimal top tax rates. The optimal tax system should be designed to minimize the second elasticity (avoidance) through tax enforcement and tax neutrality across income forms, in which case the second elasticity becomes irrelevant. The optimal top tax rate increases with the third elasticity (bargaining) as bargaining efforts are zero-sum in aggregate. We then analyze top income and top tax rate data in 18 OECD countries. There is a strong correlation between cuts in top tax rates and increases in top 1% income shares since 1975, implyingthat the overall elasticity is large. But top income share increases have not translated into higher economic growth, consistent with the zero-sum bargaining model. This suggests that the first elasticity is modest in size and that the overall effect comes mostly from the third elasticity. Consequently, socially optimal top tax rates might possibly be much higher than what is commonly assumed"--National Bureau of Economic Research web site