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May 2019 Newsletter

This is a monthly newsletter of PSL model releases, events, and updates.
Subscribe at https://www.pslmodels.org and follow us on Twitter @PSLModels

Cost-of-Capital-Calculator

Evaluates the effect of US federal taxes on businesses' investment incentives

Releases and new features
  • Release 1.0.0
    • Updates API to allow users to easily work with the model (PR #240).
    • Adds methods to produce summary tables and figures (PR #243).
Events and Conferences
  • Jason DeBacker presented CCC at the April PSL meeting in Washington, DC. Link

OG-USA

An overlapping-generations model for evaluating fiscal policy in the United States

Releases and new features
  • Differentials in interest rates on private capital and government debt (PR #449).
  • Large, open economy parameterization (PR #451). 
Events and Conferences
  • Rick Evans presented OG-USA to the Tax Policy Center at the Urban Institute in Washington, DC.

ParamTools

ParamTools is a library for parameter processing and validation with a focus on computational modeling projects

Releases and new features

Tax-Brain

Tax-Brain is an integrator package for multiple open source tax models

General Updates
  • Tax-Brain met PSL criteria for transparency and joined the PSL Catalog.

Tax-Calculator

Tax-Calculator is a USA federal individual income and payroll tax microsimulation model

Releases and new features
  • Release 2.0.0
    • Simplifies and standardizes the way that policy reforms (and new assumptions) are specified in both JSON files and Python dictionaries (PR #2292).
    • Revises Tax-Calculator versus TAXSIM-27 validation test logic and updates test results (PR #2278 and PR #2279).
PSL Catalog
  • Behavioral-Responses is a partial-equilibrium behavioral module that works with Tax-Calculator.
  • Cost-of-Capital-Calculator evaluates the effect of US federal taxes on businesses' investment incentives.
  • OG-USA is an overlapping-generations model for evaluating fiscal policy in the United States.
  • ParamTools is a library for parameter processing and validation with a focus on computational modeling projects.
  • Tax-Brain is an integrator package for multiple open source tax models.
  • Tax-Calculator is a USA federal individual income and payroll tax microsimulation model.