In addition, the relationship between monetary policy and interest rates is explained in Ben S. Bernanke, "Why are interest rates so low?" Brookings Institution, March 30, 2015, https://www.brookings.edu/blog/ben-bernanke/2015/03/30/why-are-interest-ratesso-low/. The Cabinet Office raises the decline in capital goods prices and heightening demand for safe assets as factors behind interest rate declines in Cabinet Office, Sekai keizai no chōryū 2016 nen II, chap.
1, section 1, January 2017. 6 Haruhiko Kuroda, "Overcoming Deflation and After: Speech at the Meeting of Councillors of Nippon Keidanren (Japan Business Federation) in Tokyo," Bank of Japan, December 2013. 6  Of these theories, I consider the buffer theory of interest rates within the second point to be the most important and would like to provide my view on it.