Subtopic Deep Dive
Fiscal Policy Multipliers
Research Guide
What is Fiscal Policy Multipliers?
Fiscal policy multipliers measure the change in GDP per unit change in government spending or taxes, varying across business cycle phases.
Researchers estimate multipliers using DSGE models, VAR with sign restrictions (Mountford and Uhlig, 2009, 1299 citations), and narrative identification (Ramey, 2011, 1620 citations). Regime-switching models show larger spending multipliers in recessions (Auerbach and Gorodnichenko, 2012, 1702 citations). Over 10 key papers since 1991 exceed 800 citations each.
Why It Matters
Fiscal multipliers guide recession stimulus design, as Nakamura and Steinsson (2014, 885 citations) estimate a 1.5 open-economy multiplier from US military spending variation. Ramey (2011) timing identification resolves VAR debates on consumption responses. Policymakers use these for austerity evaluations, with Auerbach and Gorodnichenko (2012) showing state-dependent effects up to 2x larger in downturns.
Key Research Challenges
Shock Identification Timing
VAR methods yield procyclical responses unlike narrative approaches (Ramey, 2011, 1620 citations). Timing assumptions drive differences in consumption and wage effects. Resolving this requires hybrid identification.
State-Dependent Multipliers
Multipliers double in recessions per regime-switching models (Auerbach and Gorodnichenko, 2012, 1702 citations). Capturing nonlinearities demands rich data. Monetary policy interactions complicate estimates.
Local vs Aggregate Effects
Regional multipliers exceed national ones, as in Nakamura and Steinsson (2014, 885 citations) US regions study. Spillovers challenge closed-economy assumptions (Mountford and Uhlig, 2009, 1299 citations). Scaling micro evidence remains unresolved.
Essential Papers
Who Benefits from State and Local Economic Development Policies?
Timothy J. Bartik · 1991 · 2.5K citations
Bartik reviews evidence on whether state and local policies affect job growth. He then presents empirical data supporting the intentions of such programs, showing that job growth may lead to a numb...
Depression Babies: Do Macroeconomic Experiences Affect Risk Taking?*
Ulrike Malmendier, Stefan Nagel · 2011 · The Quarterly Journal of Economics · 2.4K citations
We investigate whether individual experiences of macroeconomic shocks affect financial risk taking, as often suggested for the generation that experienced the Great Depression. Using data from the ...
Measuring the Output Responses to Fiscal Policy
Alan J. Auerbach, Yuriy Gorodnichenko · 2012 · American Economic Journal Economic Policy · 1.7K citations
A key issue in current research and policy is the size of fiscal multipliers when the economy is in recession. We provide three insights. First, using regime-switching models, we find large differe...
Identifying Government Spending Shocks: It's all in the Timing*
Valerie Ramey · 2011 · The Quarterly Journal of Economics · 1.6K citations
Standard vector autoregression (VAR) identification methods find that government spending raises consumption and real wages; the Ramey–Shapiro narrative approach finds the opposite. I show that a k...
Micro-Foundations of Urban Agglomeration Economies
Giles Duranton, Diego Puga · 2003 · 1.5K citations
This handbook chapter studies the theoretical micro-foundations of urban agglomeration economies.We distinguish three types of micro-foundations, based on sharing, matching, and learning mechanisms...
What are the effects of fiscal policy shocks?
Andrew Mountford, Harald Uhlig · 2009 · Journal of Applied Econometrics · 1.3K citations
Abstract We propose and apply a new approach for analyzing the effects of fiscal policy using vector autoregressions. Specifically, we use sign restrictions to identify a government revenue shock a...
SUPPLY-SIDE ECONOMICS: AN ANALYTICAL REVIEW
Robert E. Lucas · 1990 · Oxford Economic Papers · 1.1K citations
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Reading Guide
Foundational Papers
Start with Auerbach and Gorodnichenko (2012) for state-dependence; Ramey (2011) for identification debates; Mountford and Uhlig (2009) for VAR signs.
Recent Advances
Nakamura and Steinsson (2014) for regional multipliers; Kline and Moretti (2013) for long-run local effects.
Core Methods
Narrative identification (Ramey), sign-restricted VAR (Mountford-Uhlig), regime-switching models (Auerbach-Gorodnichenko).
How PapersFlow Helps You Research Fiscal Policy Multipliers
Discover & Search
Research Agent uses searchPapers and citationGraph to map 250M+ papers from Auerbach and Gorodnichenko (2012), linking to Ramey (2011) debates. exaSearch finds regime-switching extensions; findSimilarPapers expands Mountford and Uhlig (2009) sign restrictions.
Analyze & Verify
Analysis Agent runs readPaperContent on Ramey (2011) narratives, verifies multiplier timing with CoVe against VAR results. runPythonAnalysis replicates Auerbach-Gorodnichenko regime models via NumPy/pandas; GRADE scores evidence strength for state-dependence.
Synthesize & Write
Synthesis Agent detects gaps in recession multiplier consensus, flags Ramey-Auerbach contradictions. Writing Agent applies latexEditText for equations, latexSyncCitations for 10+ papers, latexCompile for reports; exportMermaid diagrams VAR impulse responses.
Use Cases
"Replicate Auerbach-Gorodnichenko regime-switching multipliers with Python."
Research Agent → searchPapers → Analysis Agent → runPythonAnalysis (NumPy/pandas on regime data) → matplotlib plots of state-dependent IRFs.
"Write LaTeX appendix comparing Ramey narrative vs Mountford VAR multipliers."
Synthesis Agent → gap detection → Writing Agent → latexEditText (equations) → latexSyncCitations (9 papers) → latexCompile → PDF with tables.
"Find code for fiscal shock identification in Nakamura-Steinsson military data."
Research Agent → paperExtractUrls → Code Discovery → paperFindGithubRepo → githubRepoInspect → verified replication scripts.
Automated Workflows
Deep Research workflow scans 50+ multiplier papers, chains citationGraph → readPaperContent → GRADE for systematic review report. DeepScan applies 7-step CoVe to verify Ramey (2011) timing claims against VAR. Theorizer generates hypotheses on monetary-fiscal interactions from Auerbach-Gorodnichenko state-dependence.
Frequently Asked Questions
What defines fiscal policy multipliers?
Ratio of GDP change to government spending or tax change, estimated via VAR, narratives, or regime models (Auerbach and Gorodnichenko, 2012).
What are main estimation methods?
Sign restrictions in VAR (Mountford and Uhlig, 2009), narrative shocks (Ramey, 2011), regime-switching for cycles (Auerbach and Gorodnichenko, 2012).
What are key papers?
Auerbach-Gorodnichenko (2012, 1702 cites, recessions), Ramey (2011, 1620 cites, timing), Nakamura-Steinsson (2014, 885 cites, regions).
What open problems exist?
Nonlinearities beyond recessions, spillover scaling, monetary interactions unresolved per cited regime and regional studies.
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Part of the Fiscal Policy and Economic Growth Research Guide