VFI Toolkit (@vfitoolkit)

VFI Toolkit's CalibrateLifeCycleModel and CalibrateOLGModel make model calibration easy.

Two replications to show off just how easy:
Huggett, Ventura & Yaron (2011) - Sources of Lifetime Inequality
and (2006) - Human Capital and Earnings Distn Dynamics
shorturl.at/K0XZ5

discourse.vfitoolkit.com Replication: Huggett, Ventura & Yaron (2006) & (2011) Two replications: Huggett, Ventura & Yaron (2006) - Human Capital and Earnings Distribution Dynamics (original paper, replication repo) Huggett, Ventura & Yaron (2011) - Sources of Lifetime Inequal...

VFI Toolkit @vfitoolkit Oct 21

Lean Economics now has own @LeanEcon. Formalized lots of textbooks, every result.

LeanEconomics @LeanEcon Oct 21

Formalized textbooks:
Dynamic Programming: Sargent & Stachurski (Vol 1 & 2); Stokey, Lucas & Prescott
Monetary: Gali (NK); Woodford (interest & prices); Cochrane (fiscal theory).
International: Obstfeld & Rogoff

500+ corrections (mostly tiny or typo)
github.com/LeanEconomics
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VFI Toolkit @vfitoolkit Sep 30

VFI Toolkit - Your Choice for Entrepreneurial Choice

Replications and Examples of Kitao (2008) and Bruggemann (2021):
discourse.vfitoolkit.com/t/entrepreneur…

discourse.vfitoolkit.com Entrepreneurial-Choice models: Kitao (2008) and Bruggemann (2021) ‘Entrepreneurial-Choice’ models feature infinitely-lived households who decide whether to be an Entrepreneur or a Worker based on their relative productivity in each of the two, as well as their...

VFI Toolkit @vfitoolkit Sep 18

Not toolkit, but related and hopefully interesting to you. Building Econ Theory in Lean, and on the side to also prove which algorithms solve which models. You can join the LeanEconomics org and contribute.

Robert Kirkby @robertdkirkby Sep 18

LeanEconomics
github.com/LeanEconomics/…

Current: prove existence of stationary general eqm for Aiyagari 1994, plus uniqueness for mu=1 (already known, now Lean formalized).

Please feel free to join the Github org and contribute to Econ in Lean.

Explain: shorturl.at/vpChP
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VFI Toolkit @vfitoolkit May 31

Claude + VFI Toolkit = Superpower

Wrote a replication of core result of Huggett & @King_ofSweden (2000). Four OLG models in under three hours!!!

Key: Toolkit provides structure, code needed is only a few hundred lines. Claude loves this.

Details: tinyurl.com/ys7wyak2

discourse.vfitoolkit.com Claude for OLGs: Huggett & Ventura (2000) Claude + VFI Toolkit = The Best Posse Cut You Ever Heard Yesterday I downloaded Huggett & Ventura (2000) - Understanding why high income households save more than low income households I gave Claude...

VFI Toolkit

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