资源希望

华盛顿—如果一国的税收在一年内增加四倍,就值得引起关注。加纳在2010到2011年间就出现了如此规模的收入增加,原因是来自采掘业的税收。

加纳并不是孤例。资源富裕的发展中国家税收收入上升不仅来自商品价格的上涨,也来自国际规则改善了石油、天然气和矿业的财务透明度,降低了大规模偷税漏税的可能。这些规则也是最近北爱尔兰G8峰会的重要议程。这些举措值得欣赏,而且需要再接再厉。

国际商品市场正处于压力中。2000年以来,商品价格便走上了涨势,需求巨潮只在2008年金融危机期间略受干扰。一个显而易见的后果是极端价格波动。与此同时,进入非法市场的激励日益增强:大约20%的钶钽铁矿——用于移动通信的贵金属——的交易属于非法。

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