というNBER論文(ungated版)をAnton Korinek(ジョンズ・ホプキンス大)とAlp Simsek(MIT)が書いている。原題は「Liquidity Trap and Excessive Leverage」。 以下はその要旨。 We investigate the role of macroprudential policies in mitigating liquidity traps driven by deleveraging, using a simple Keynesian model. When constrained agents engage in deleveraging, the interest rate needs to fall to induce unconstrained agents to pick up the decline in agg