In the five years after the introduction of the currency board, Argentina pruned spending and subsidies dramatically.

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While the government has managed to achieve relative financial stability through the introduction of the currency board and the economy itself grew at a robust 5.8 percent in 2000, daily life remains difficult for many average Bulgarians.

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Over the last few years, the emphasis has also been on reform of the governance of the SOEs with the introduction of outside, non-executive members of the board.

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What the NTSB uncovers regarding the FAA's safety certification program could have important implications for the agency's ability to handle other technology challenges, including the transition to a new air traffic control system and the introduction of unmanned aircraft into the national airspace, said Jim Hall, a former safety board chairman.

NPR: NTSB Probes Safety Testing Of Boeing 787 Batteries