Macroeconomic implications of modeling the Internal Revenue Code in a heterogeneous-agent framework

Rachel Moore and Brandon Pecoraro

Economic Modelling, 2020, vol. 87, issue C, 72-91

Abstract: Tax policy analysis in heterogeneous-agent models typically involves the use of smooth tax functions to approximate complex present tax law and proposed reforms. In this paper, we explore the extent to which the tax detail omitted under this conventional approach has macroeconomic implications relevant for policy analysis. To do this, we develop an alternative approach by embedding an internal tax calculator into a large-scale overlapping generations model that, while conditioning on idiosyncratic household characteristics, explicitly models key provisions in the Internal Revenue Code applied to labor income. We find that for a debt-constant steady state analysis of a given tax policy change, both approaches generate similar policy-induced patterns of macroeconomic activity despite variation in the underlying patterns of household tax-preferred consumption and labor supply behavior. However, this variation in underlying behavior is associated with significant quantitative and qualitative differences in macroeconomic aggregates along a debt-financed transition path immediately following a policy change. Consequentially, although the use of unconditional smooth tax functions may be a reasonable modeling simplification for steady state analysis of tax policy, caution should be taken for their use in transition path analysis within heterogeneous-agent models.

Keywords: Dynamic scoring; Tax functions and calculators; Heterogeneous agents (search for similar items in EconPapers)
JEL-codes: C63 E62 H30 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Working Paper: Macroeconomic Implications of Modeling the Internal Revenue Code in a Heterogeneous-Agent Framework (2018)
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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecmode:v:87:y:2020:i:c:p:72-91

DOI: 10.1016/j.econmod.2019.07.007

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