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Oil exporters’ dilemma: How much to save and how much to invest / Reda Cherif &#38; Fuad Hasanov, VoxEU.org, 10 November 2012http://www.voxeu.org/article/oil-exporters-dilemmaPolicymakers in many commodity-exporting countries confront the question of how much to consume, save, and invest out of revenues from commodity exports. This column says policy should focus on improving productivity in the tradeable sector and reducing volatility through diversifying this sector. This would lower precautionary saving needs, increase investment, raise consumption, and improve welfare...