With the real business cycle theory has gradually become the mainstream, I-RBC has become the mainstream of international economic cycle theory.

随着实际经济周期理论逐渐成为目前的主流，I-RBC也成为研究国际经济周期的主流理论。

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Minsky argued that the financial system played a big role in exaggerating the economic cycle, one that was understated by conventional theory.

明斯基认为，金融体系对夸大经济周期起到了很大作用，而传统理论对此并没有给予足够的重视。

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Meanwhile, grey wave forecasting of grey system theory is explained, and the method is applied to economic cycle index forecasting.

阐明了灰色系统理论中灰色波形预测的方法，并将该方法应用到经济循环指数预测中。

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His theory asserts that private sector decisions sometimes lead to unexpected downturns in the economic cycle and, therefore, the public sector, including monetary policy actions by the central bank and fiscal spending by the government are needed to stabilize output.

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