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TAXSIM Related Files at the NBER

• Internet Taxsim (v9) is a subset of full TAXSIM which calculates federal and state income tax liabilities from survey data. You provide the data, the NBER TAXSIM program returns the tax calculations from our server in seconds. Covers 1960 - 2013 (federal) 1977 - 2008 (state). Please read the instructions carefully.
• Taxsim (v8) is still available, but the latest version has the same interface, so there is no real reason to stay behind.
• Codes for creating Internet TAXSIM format datafiles from commonly used surveys.

  Documentation and Background

• PDF version of "An Introduction to the TAXSIM Model", by Daniel Feenberg and Elisabeth Coutts. From the Journal of Policy Analysis and Management Vol. 12 no. 1 (Winter, 1993).

• Statistics of Income Division (SOI) General Description Booklets for the Tax Model Files, with sources and descriptions for every variable in the disclosure proofed public release files.

• Concordance of fields in the SOI division public use files, showing the locations of variables through the years:
  • 1960-1979
  • 1979-1996
  • 1988-2004
  • Estate and Gift Tax Micro Data

• Concordance of fields in the SOI internal files

• Parameter comparison across the year
  • State EITC Rules

  Tables from TAXSIM

• Marginal and Average Rates, and Elasticity of the Income Tax system - 1960 - 2005

• Marginal Tax Rates by Factor Income
  • Federal
  • Federal plus State
  • Rates by State

• Municipal Bond Subsidy Rates

• US rates at constant real income levels.

• Auerbach and Feenberg on Automatic Stabilizers

• High Income Shares

• High Income Shares 1994 - 1996

• Tax rates by age.

• Chart of state by year allowance of a charitable deduction.

• Maximum State tax rates.

• Sales Tax Tables.

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