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The 2014 oil price slump: Seven key questions / Rabah Arezki &#38; Olivier Blanchard, Vox, 13/01/2015http://www.voxeu.org/article/2014-oil-price-slump-seven-key-questionsPlunging oil prices affect everyone, albeit no two countries will experience it in the same way. In this column, the IMF’s Chief Economist Olivier Blanchard and Senior Economist Rabah Arezki examine the causes as well as the consequences for various groups of countries and for financial stability more broadly. The analysis has important implications for how policymakers should address the impact on their economies...