4Krugman Paul. Thinking about the Liquidity Trap [J] . Journal of the Japanese and International Economies, Vo1.14, Iss.4, pp. 221-37.
5Krugman, Paul R., Japan' s Trap, http://www.mit.edu/krugman/www/, 1998.
6Goodfriend, Marvirr Overcoming the Zero Bound on Interest Rate Policy [J] . Journal of Money, Credit, and Banking, vo132, No.4, 2000, pp. 1007-1035.
7Bernanke, Ben S. and Reinhart, Vincent R. Conducting Monetary Policy at Very Low Short-Term Interest Rates [J] . American Economic Review Vol.94, No.2, May, 2004.
8Hiroshi Ugai. Effects of the Quantitative Easing Policy: A Survey of Empirical Analyses.2007 [R] . Bank of Japan Working Paper Series.
9Ben S. Bernanke, The Federal Reserve's Balance Sheet: An Update[EB/OL]. October 8, 2009, http://www.federalreserve.gov/newsevents/speech/bemanke20091008a.htm.
10Carmen M. Reinhart and Kenneth S. Rogoff, Banking Crises: An Equal Opportunity Menace[EB/OL]. NBER Working Paper No. 14587, December 2008.
