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Topic Extraction Analysis for Monetary Policy Minutes of Japan in 2014: Effects of the Consumption Tax Hike in April

机译:2014年日本货币政策会议纪要摘录分析:4月份消费税上调的影响

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摘要

In this paper, we will analyze monetary policy of the Bank of Japan, the central bank of Japan, just after the sales tax hike held in April 2014, through November 2014. The period matches the Japan's turning point to the recession owing to the sales tax hike in April 2014. With the Abe second Cabinet which started in December 2012, the Bank set the "price stability target" at 2 percent. We analyzed the Monetary Policy Meeting minutes by text mining technologies. Especially we conducted a topic extraction using the Latent Dirichlet Allocation model from the Meeting minutes. The extracted topics clearly showed the impact of the sale tax hike. The biggest topic was the economic conditions related topic and its ratio peaks corresponded to the time of Japan's GDP data released. In addition, we found that the money easing policy topic ratio increased after the tax hike and that the economic growth related topic ratio showed the decline after the tax hike.
机译:在本文中,我们将分析2014年4月举行的销售税上调后至2014年11月的日本央行(日本央行)的货币政策。这一时期与日本因销售而陷入衰退的转折点相吻合2014年4月加税。随着安倍晋三内阁于2012年12月开始,世行将“价格稳定目标”设定为2%。我们通过文本挖掘技术分析了货币政策会议纪要。特别是,我们从会议纪要中使用潜在Dirichlet分配模型进行了主题提取。摘录的主题清楚地表明了销售税提高的影响。最大的话题是与经济状况相关的话题,其比率峰值与日本GDP数据发布时间相对应。此外,我们发现加税后货币宽松政策主题比率增加,而与经济增长相关的主题比率在加税后有所下降。

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