Discussion paper

DP14429 Optimal Monetary Policy According to HANK

We study optimal monetary policy in an analytically tractable Heterogeneous Agent New Keynesian model with rich cross-sectional heterogeneity. Optimal policy differs from that in a representative agent model because monetary policy can affect consumption inequality, both by reducing idiosyncratic consumption risk and by reducing inequality arising from households' unequal exposures to aggregate shocks. Simple target criteria summarize the planner's tradeoff between consumption inequality, productive efficiency and price stability. Mitigating consumption inequality requires putting some weight on stabilizing the level of output, and correspondingly reducing the weights on the output gap and the price level relative to an economy without inequality.

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Citation

Acharya, S, E Challe and K Dogra (eds) (2020), “DP14429 Optimal Monetary Policy According to HANK”, CEPR Press Discussion Paper No. 14429. https://cepr.org/publications/dp14429-0