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Morris and Shin (1998) introduce the global game into the self-fulfilling currency crisis model and show that an informational event would be a trigger for a currency crisis. However, there is no government’s objective explicitly specified in the model. We consider the macroeconomic market to specify the government’s objective in the global game model of currency crisis and use the specific government’s objective to obtain the range of the true fundamentals under which a government should adopt a transparent policy. We have shown that an informational event may trigger a currency crisis, and a government will prevent a currency crisis by adopting a transparent policy when the cost of the transparent policy is small enough