●koiti_yano, “Targeting rather than discretion”(ハリ・セルダンになりたくて, 2008年3月18日) ●Robert G. King(2006), “Discretionary Policy and Multiple Equilibria(pdf)”(Federal Reserve Bank of Richmond Economic Quarterly, Vol.92(1), Winter 2006) ●Michael Dotsey(2008), “Commitment Versus Discretion in Monetary Policy(pdf)”(Business Review, Federal Reserve Bank of Philadelphia, Fourth Quarter 2008) ssuguruさんから頂いたコメントに