IT IS a mystery. Last year Bangladesh's army of migrant workers abroad increased by a record 750,000, to reach 8m-odd. They travel to earn money for their families. Yet the statistics suggest they are sending less money home. In the fiscal year that ends this month, recorded remittances will have fallen for the second consecutive year, this time by more than 10%, to $12bn (see chart on next page). To explain the puzzle, look to the places they work, to technology and to the growing popularity of a fiddle used by Bangladeshi importers.
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