Econlogでブライアン・キャプランが引用しているスコット・サムナーのブログエントリが面白い。特にクルーグマンについて書かれた部分が面白いので、以下に紹介する。 Krugman doesn't really believe in the liquidity trap. Many Keynesians assume that monetary stimulus is ineffective during a liquidity trap. Krugman definitely does not believe that, indeed he specifically argues that only conventional monetary policy tools are ineffective in a liquidity trap. He acknowledges that unc