Robert Kirkby (@robertdkirkby) profile picture

Robert Kirkby

@robertdkirkby

Economist

robertdkirkby.com
Joined October 2018
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Photo by Robert Kirkby (@robertdkirkby)
LeanEconomics github.com/LeanEconomics/Lea… 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
GitHub - LeanEconomics/LeanEconomics: Economic theory and the algorithms that solve economic...

GitHub - LeanEconomics/LeanEconomics: Economic theory and the algorithms that solve economic...

Economic theory and the algorithms that solve economic models, formalised in Lean 4 against Mathlib - LeanEconomics/LeanEconomics

github.com
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The Big Mac Index want to be free bigmacindex.app/ and live! The Economist locks theirs so you cannot use in teaching. 17 Big-Mac-Less countries: Iraq is included with the substitute "MaDonal BigMack", and Iran with "Mash Donalds Tehran Combo", North Korea is burger-less.
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I wrote a book review: Angeloni & Gros - Money in Crisis doi.org/10.1111/1475-4932.70…
Money in Crisis: The Return of Instability and the Myth of Digital Cash, by Ignazio Angeloni and...

Money in Crisis: The Return of Instability and the Myth of Digital Cash, by Ignazio Angeloni and...

Click on the article title to read more.

onlinelibrary.wiley.com
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Life-Cycle Model 27 demos how to use the Guvenen, Karahan, Ozkan & Song (2021) earnings processes. My new article explains the discretization method, and the implications. doi.org/10.1007/s42973-025-0…
Discretizing earnings dynamics: implications of Gaussian-mixture shocks for life-cycle models

Discretizing earnings dynamics: implications of Gaussian-mixture shocks for life-cycle models

The Japanese Economic Review - The standard AR(1) process with gaussian innovations, commonly used in life-cycle models of earnings dynamics, has proven insufficient. Recent research highlights the...

link.springer.com
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getIMFData() adds GFS databases. Requires minor update to inputs for CPIS and DOT databases. See github for example using GFS.
getHDRData: download data from Human Development Report directly from within Matlab: robertdkirkby.com/codes-tool… Works like getFREDData and getIMFData.
getHDRData

getHDRData

You can import data directly from HDR (Human Development Report) using getHDRData.m function I created. Some examples on how to use getHDRData can be found in the same place. Download getHDRData.m …

robertdkirkby.com
Quantitative Macroeconomics: Lessons Learned from Fourteen Replications doi.org/10.1007/s10614-022-1… Or check the prepub version with hyperlinks: dropbox.com/s/xwu5tp1z8sbuy6… Replicates 14 papers using VFI Toolkit. You can find the results, their accuracy, and some recommendations.
Quantitative Macroeconomics: Lessons Learned from Fourteen Replications

Quantitative Macroeconomics: Lessons Learned from Fourteen Replications

Computational Economics - I replicate all tables and figures from fourteen papers in Quantitative Macroeconomics, with an emphasis on incomplete market heterogeneous agent models. I report three...

link.springer.com
The Pandemic Recession robertdkirkby.com/blog/2021/…
The Pandemic Recession robertdkirkby.com/blog/2021/…
The Pandemic Recession

The Pandemic Recession

The Covid-19 Pandemic caused massive loss of life and a severe recession. How did this recession differ from previous recessions? How can we make sense of what happened during the Pandemic Recessio…

robertdkirkby.com
Protected: The Pandemic Recession, part 2: The Recession Itself robertdkirkby.com/blog/2021/…
The Pandemic Recession, part 2: The Recession Itself

The Pandemic Recession, part 2: The Recession Itself

2020 saw a global recession as a result of the Covid-19 Pandemic, with especially large/deep recessions in a many countries. Let’s start with taking a look at some numbers. Then we will think about…

robertdkirkby.com
The Pandemic Recession, part 3: Fiscal and Monetary robertdkirkby.com/blog/2021/…
The Pandemic Recession, part 3: Fiscal and Monetary

The Pandemic Recession, part 3: Fiscal and Monetary

How did governments respond to the Pandemic? We might think of all sorts of policy responses such as lockdown, travel restrictions, mask-wearing, vaccination, etc. Here we will focus on the Fiscal …

robertdkirkby.com
The Pandemic Recession, part 4: Lockdowns &c. robertdkirkby.com/blog/2021/…
The Pandemic Recession, part 4: Lockdowns &c.

The Pandemic Recession, part 4: Lockdowns &c.

Let’s turn to perhaps the most controversial response of Governments to the Covid-19 pandemic: Lockdowns. We will begin with the thought that lockdowns save lives but have economic costs. Can we dr…

robertdkirkby.com
The Pandemic Recession, part 5: Post-Pandemic robertdkirkby.com/blog/2021/…
The Pandemic Recession, part 5: Post-Pandemic

The Pandemic Recession, part 5: Post-Pandemic

Economies are fast making a full recovery at the aggregate level: with GDP rapidly back to or even above pre-pandemic levels, and employment recovering fast. But what about changed consumption patt…

robertdkirkby.com
Jumping at Shadows: The Reserve Bank of New Zealand’s 0.5% rate cut. robertdkirkby.com/blog/2019/…
Image from Robert Kirkby (@robertdkirkby)
Published: Cryptocurrencies and Digital Fiat Currencies doi.org/10.1111/1467-8462.12…
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Slides on Cryptocurrencies and Digital Fiat: dropbox.com/s/rr4dugb5ujkj0l…
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