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Tax Incentives, Portfolio Choice, and Macroprudential Risks

Author

Listed:
  • Janosch Brenzel-Weiss

    (Swiss National Science Foundation)

  • Winfried Koeniger

    (University of St. Gallen; CESifo (Center for Economic Studies and Ifo Institute); Center for Financial Studies (CFS); IZA Institute of Labor Economics; Swiss Finance Institute)

  • Arnau Valladares-Esteban

    (University of St. Gallen)

Abstract

We calibrate a lifecycle portfolio-choice model of homeowners facing uninsurable income risk to show that tax deductions for mortgage interest payments and voluntary pension contributions have sizable effects on household portfolios and macroprudential risks. The deductions reduce the after-tax cost of debt and increase the after-tax return of pension savings so that the mortgage incidence increases and portfolios shift from home equity and liquid assets towards pension savings. Because the consumption responses to a house-price decline are heterogeneous, the distribution of household debt shapes the quantitative effect of the tax deductions on the homeowners' resilience after a house price bust.

Suggested Citation

  • Janosch Brenzel-Weiss & Winfried Koeniger & Arnau Valladares-Esteban, 2026. "Tax Incentives, Portfolio Choice, and Macroprudential Risks," Swiss Finance Institute Research Paper Series 26-14, Swiss Finance Institute.
    • Handle: RePEc:chf:rpseri:rp2614
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    Keywords

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    JEL classification:

    • D14 - Microeconomics - - Household Behavior - - - Household Saving; Personal Finance
    • D15 - Microeconomics - - Household Behavior - - - Intertemporal Household Choice; Life Cycle Models and Saving
    • D31 - Microeconomics - - Distribution - - - Personal Income and Wealth Distribution
    • E21 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Consumption; Saving; Wealth
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • H24 - Public Economics - - Taxation, Subsidies, and Revenue - - - Personal Income and Other Nonbusiness Taxes and Subsidies

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