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L’Aritmetica Del Fiscal Drag

Author

Listed:
  • Giuseppe Pisauro

    (Sapienza Università di Roma, Italy)

Abstract

Questa nota intende chiarire la questione del fiscal drag da un punto di vista esclusivamente logico, attraverso un modello minimale di imposta progressiva che consente di isolare il fenomeno senza perdere generalità. L’analisi mostra che la struttura tipica dell’imposta contemporanea, caratterizzata da un numero limitato di ampi scaglioni, ha ridotto la rilevanza del bracket creep inteso come salto di scaglione e aumento dell’aliquota marginale. Tale meccanismo, che negli anni Settanta e Ottanta — in presenza di imposte articolate in numerosi scaglioni ristretti - rappresentava una componente centrale del fiscal drag, appare oggi meno rilevante rispetto all’erosione reale delle soglie degli scaglioni. Questa trasformazione ha implicazioni importanti per valutare gli effetti del fenomeno sulla progressività dell’imposta. Il risultato principale della nota è che la natura economica del fenomeno e la sua dimensione devono essere tenute distinte dal suo impatto sul bilancio pubblico e dal volume delle risorse immediatamente disponibili per un’eventuale correzione.

Suggested Citation

  • Giuseppe Pisauro, 2026. "L’Aritmetica Del Fiscal Drag," Working papers 124, Società Italiana di Economia Pubblica.
  • Handle: RePEc:ipu:wpaper:124
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    Keywords

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    JEL classification:

    • D31 - Microeconomics - - Distribution - - - Personal Income and Wealth Distribution
    • H24 - Public Economics - - Taxation, Subsidies, and Revenue - - - Personal Income and Other Nonbusiness Taxes and Subsidies
    • E62 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Fiscal Policy; Modern Monetary Theory

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