From anti-austerity movements to middle-class revolts, in rich countries and in poor, social unrest has been on the rise around the world. The reasons for the protests vary. Some are direct responses to economic distress (in Greece and Spain, for example). Others are revolts against dictatorship (especially in the Middle East). A number also express the aspirations of new middle classes in fast-growing emerging markets (whether in Turkey or Brazil). But they share some underlying features.
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