Capital and Income Inequality: An Aggregate Demand Complementarity

Working Paper: CEPR ID: DP14118

Authors: Florin Ovidiu Bilbiie; Diego Knzig; Paolo Surico

Abstract: A novel complementarity between capital and income inequality leads to a significant amplification of the effects of monetary policy on consumption. We characterize this finding analytically and quantitatively, using a model with heterogeneity in household saving and income, nominal rigidities, and capital. A fiscal policy that redistributes capital income causes further amplification, whereas redistributing profits generates dampening.

Keywords: Monetary Policy; Capital; Income Inequality; Complementarity; Multiplier; Heterogeneity; Aggregate Demand

JEL Codes: E21; E22; E32; E44; E52


Causal Claims Network Graph

Edges that are evidenced by causal inference methods are in orange, and the rest are in light blue.


Causal Claims

CauseEffect
capital inequality (E25)aggregate demand shocks (E00)
income inequality (D31)aggregate demand shocks (E00)
capital inequality (E25)consumption (E21)
income inequality (D31)consumption (E21)
capital income redistribution (E25)household expenditure (D12)
profits redistribution (D33)household expenditure (D12)
interest rate shock (E43)consumption inequality (D31)
interest rate shock (E43)income inequality (D31)

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