In looking to explain Esperance's domestic domination, one factor is their efficient organisational and administrative structure, which is the envy of many Tunisian sides.

BBC: SPORT | Football | African | Esperance rewrite Tunisian football

They are using the unique advancements of the AMD Embedded G-Series APU to develop a brand new generation of highly differentiated, energy-efficient, small form-factor embedded systems that can deliver the vivid visual experience expected in our always-connected world.

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It could either be due to the foreign nation becoming more efficient in that endeavor or to the domestic nation becoming less efficient, perhaps because of (to name a plausible factor) strangulation by government-backed unions.

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Between 1986 and 1991, total factor productivity the increase in output due to more efficient use of inputs such as labour and capital in Taiwan's electrical-machinery industry rose 23.6%.

ECONOMIST: The flexible tiger

The factor builder returns the answer that trend-following has not been particularly efficient when cross applied to FX assets in general (though you can data mine to make it look good as most technical analysis books do).

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