Despite a heightened focus on better working capital management in the mining industry analysis by EY reveals progress has stalled among the world's top miners since 2011. The financial services firm's survey, which focused on 80 of the largest mining companies by sales in the world as of July 31, 2014, showed cash-to-cash (C2C) efficiency - a financial ratio that expresses the length of time in days that it takes a company to convert resource inputs into cash flows - was up 2% between 2011 and 2013 compared with a 24% decrease between 2007 and 2011.
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