Tanzania, Feb. 14 -- Dar es Salaam. The official exchange rates, provided by the Bank of Tanzania (BoT), do not correspond with demand and supply, thus partly contributing to the scarcity of the United States dollar, as the parliament heard yesterday.

Presenting a statement in the House yesterday, the chairman of the Parliamentary Budget Committee, Mr Daniel Sillo, said yesterday that the disparity between the official exchange rate and what the market dictates calls for a review of the foreign exchange rate setting system.

That way, he said, the exchange rates will accurately reflect market conditions.

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Though there was no immediate reaction from the BoT yesterday, the BoT...