Such transfers typically cut transaction costs, plug leakages, curb corruption, help migrant workers and are easier to monitor.

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Yes, of course there are energy leakages in such a system: no getting around the laws of thermodynamics.

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Second, foreign trade leakages tend to be self correcting since imports and exports are not independent of each other.

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Severn Trent said the difficulties were entirely down to the cold weather, which caused increased leakages during the winter.

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The July announcements, after all, were prompted by whistle-blowing reports on Sina Weibo, a Twitter-like service in China, of the leakages.

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That could be useful for photographing installation leakages on a window or checking for safe food temperatures, then sending that information to someone else to be categorized.

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The short answer is that spending impacts do not account for money leakages, and thus, are an inferior measure of economic impact because they fail to consider how much of the new money is actually retained locally.

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