No se si este es el articulo que estas traduciendo, pero es interesante:

Some call it the "unofficial" or "informal" economy, others call it the "grey economy" but the old name fits it best: the "black economy". In the USA "black" means "profitable, healthy" and this is what the black economy is. Macedonia should count its blessings for having had a black economy so strong and thriving to see it through the transition. If Macedonia had to rely only on its official economy it would have gone bankrupt long ago.

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Note added at 2003-01-03 18:30:24 (GMT)
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http://www.geocities.com/vaksam/nm043.html