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This paper presents new findings from the World Top Incomes Database and discusses some of their policy implications. In particular, the paper provides updated top income series for the United States-including new estimates through 2010, showing a strong rebound of the top 1 percent income share, following the 2008-09 sharp fall. It also presents updated income series for other developed countries (including the United Kingdom, France, Germany, and Japan) and new series on wealth-income ratios. In light of this extended set of country series, the paper analyzes the relative importance of market and institutional forces in explaining observed cross-country trends, and the likely impact of the Great recession on these long-term evolutions. It discusses the policy implications of the findings, both in terms of optimal tax policy and regarding the interplay between inequality and macroeconomic fragility. [ABSTRACT FROM AUTHOR]

This paper uses a global input-output framework to quantify U.S. and European Union (EU) demand spillovers and the elasticity of world trade to GDP during the global recession of 2008-09. Cross-border intermediate goods linkages have implications for the transmission of shocks and the relationship between demand, trade, and production across countries. This paper finds that 20-30 percent of the decline in U.S. and EU final demand was borne by foreign countries, with the North American Free Trade Agreement (NAFTA) and emerging Europe hit hardest. Allowing final demand to change in all countries simultaneously, the framework presented here delivers an elasticity of world trade to GDP of 2.8. Thus, demand forces alone can account for roughly 70 percent of the trade collapse. Large changes in demand for durables play an important role in driving these results. [ABSTRACT FROM AUTHOR]