Journal of Economic Theory and Econometrics: Journal of the Korean Econometric Society
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Journal of Economic Theory and Econometrics
JETEM/계량경제학보/計量經濟學報/JKES
Journal of the Korean Econometric Society

Earned Income Tax Credit and Heterogenous Agent Dynamic Stochastic General Equilibrium Model

Vol.32, No.1, March , 80–115


English Version |  Korean Version
  •   (Ajou University)

  •   (Yonsei University)

  •   (Seoul National University)

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Abstract  

As the Earned Income Tax Credit(EITC) massively expanded in 2019, 20% of total households benefit from the credit. Due to this large reform, we expect that any future reform will also largely affect the aggregate economy; thus, the heterogeneous agent life cycle dynamic stochastic general equilibrium (HA-LC-DSGE) model will be widely used in future research. This paper reviews the EITC reforms in Korea since the first implementation and surveys the previous studies, examining the labor supply effects. We address why the HA-LC-DSGE model is necessary to examine the current EITC system in Korea. Then, we provide an example of the HA-LC-DSGE model with a policy simulation of the EITC expansion and explain the model's salient ingredients to understand the results.


Keywords
   Earned Income Tax Credit, Heterogenous Agent Model, General Equilibrium, Labor Supply, Life Cycle, Precautionary Saving

JEL classification codes
   E2, E6, H3, N3
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