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The recent wave of populism is different from the previous ones, thus generating the demand for noneconomic explanations, such as identity politics and cultural factors. In this paper, I discuss several pieces of evidence that show that economic factors, such as an increase in unemployment during the Great Recession, skill-biased trade and inequality (especially inequality of opportunity), have also played an important role in the recent rise of antiestablishment sentiment.
Sergei Guriev (Tue,) studied this question.
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