Andy Ferrara
@andyferrara.bsky.social
Economic historian. Associate Professor at the University of Pittsburgh and Research Associate at the NBER. https://andreas-ferrara.com/
Reposted by Andy Ferrara
In today's JMP blog, @jiaweilyu.bsky.social studies impact of affirmative action for men in China's civil service. Women outperform men in the entry exam, so quotas were introduced to balance gender. Fewer women were hired, quality declined, & tax collected fell. blogs.worldbank.org/en/impacteva...?
When gender quotas protect the powerful: Lessons from China’s civil service. Guest post by Jiawei Lyu
blogs.worldbank.org
December 11, 2025 at 3:32 PM
In today's JMP blog, @jiaweilyu.bsky.social studies impact of affirmative action for men in China's civil service. Women outperform men in the entry exam, so quotas were introduced to balance gender. Fewer women were hired, quality declined, & tax collected fell. blogs.worldbank.org/en/impacteva...?
Reposted by Andy Ferrara
VoxEU column now up for my paper on "Wars, Taxation and Representation" with @essobecker.bsky.social, @andyferrara.bsky.social and @luigipascali.bsky.social.
Full paper available here:
doi.org/10.1093/jeea...
Full paper available here:
doi.org/10.1093/jeea...
@essobecker.bsky.social, Andreas Ferrara, @ericmelander.bsky.social, & @luigipascali.bsky.social explore how wars played a crucial role in the emergence of the blueprints for modern states in #Europe as conflict forced rulers to strike bargains with their subjects.
cepr.org/voxeu/column...
#EconSky
cepr.org/voxeu/column...
#EconSky
July 17, 2025 at 12:27 PM
VoxEU column now up for my paper on "Wars, Taxation and Representation" with @essobecker.bsky.social, @andyferrara.bsky.social and @luigipascali.bsky.social.
Full paper available here:
doi.org/10.1093/jeea...
Full paper available here:
doi.org/10.1093/jeea...
Reposted by Andy Ferrara
My research team (w/ @andyferrara.bsky.social, Sam Bazzi, Eric Chyn, Martin Fiszbein, and Thomas Pearson) is hiring a full-time economics postdoc for the 2025-26 academic year! If you know someone who might be interested, see the link below.
Recruitment
workforcenow.adp.com
August 22, 2025 at 4:10 PM
My research team (w/ @andyferrara.bsky.social, Sam Bazzi, Eric Chyn, Martin Fiszbein, and Thomas Pearson) is hiring a full-time economics postdoc for the 2025-26 academic year! If you know someone who might be interested, see the link below.
Reposted by Andy Ferrara
Frontline Union Army captains cut desertions and boosted cohesion through leading by example, earning postwar-wage gains and greater recognition, from @andyferrara.bsky.social, Christian Dippel, and Stephan Heblich https://www.nber.org/papers/w34057
July 26, 2025 at 5:00 PM
Frontline Union Army captains cut desertions and boosted cohesion through leading by example, earning postwar-wage gains and greater recognition, from @andyferrara.bsky.social, Christian Dippel, and Stephan Heblich https://www.nber.org/papers/w34057
Reposted by Andy Ferrara
“The No Club” is now available in Chinese! I got to celebrate the publication while presenting at the ESAWorld meetings in Beijing. It was a pleasure to meet our publisher at China Machine Press and to reconnect with our extremely talented and generous Pitt alumni. What an amazing trip.
June 19, 2025 at 3:30 AM
“The No Club” is now available in Chinese! I got to celebrate the publication while presenting at the ESAWorld meetings in Beijing. It was a pleasure to meet our publisher at China Machine Press and to reconnect with our extremely talented and generous Pitt alumni. What an amazing trip.
Reposted by Andy Ferrara
Slowly but surely coming along: we have a new version of our working textbook on diffs in diffs!
papers.ssrn.com/sol3/papers....
Chapters 2 to 4, which cover the set up, classical DIDs, and relaxations of the parallel trends assumptions have been thoroughly revised and are now almost finished.
papers.ssrn.com/sol3/papers....
Chapters 2 to 4, which cover the set up, classical DIDs, and relaxations of the parallel trends assumptions have been thoroughly revised and are now almost finished.
Credible Answers to Hard Questions: Differences-in-Differences for Natural Experiments
This book introduces applied researchers to modern Differences-in-Differences (DID) methods, that they can use to obtain credible answers to hard causal inferen
papers.ssrn.com
March 12, 2025 at 3:09 PM
Slowly but surely coming along: we have a new version of our working textbook on diffs in diffs!
papers.ssrn.com/sol3/papers....
Chapters 2 to 4, which cover the set up, classical DIDs, and relaxations of the parallel trends assumptions have been thoroughly revised and are now almost finished.
papers.ssrn.com/sol3/papers....
Chapters 2 to 4, which cover the set up, classical DIDs, and relaxations of the parallel trends assumptions have been thoroughly revised and are now almost finished.
Reposted by Andy Ferrara
Linked individual data using WWII Army and administrative tax records show mixed impacts of service on long-run economic outcomes for different racial and ethnic groups, from Sergio E. Barrera, Andreas Ferrara, Price V. Fishback, and Misty L. Heggeness https://www.nber.org/papers/w33382
January 28, 2025 at 6:00 PM
Linked individual data using WWII Army and administrative tax records show mixed impacts of service on long-run economic outcomes for different racial and ethnic groups, from Sergio E. Barrera, Andreas Ferrara, Price V. Fishback, and Misty L. Heggeness https://www.nber.org/papers/w33382
Reposted by Andy Ferrara
🚨 New Working Paper 🚨
w/ @pdavidboll.bsky.social and @jvoth.bsky.social
Do you run regressions on spatial data? Then keep reading!
We present a guide and Stata package for methods by Müller and Watson (2024 ECTA) to deal with Spatial Unit Roots in Regressions.
Link in 🧵 (1/n)
w/ @pdavidboll.bsky.social and @jvoth.bsky.social
Do you run regressions on spatial data? Then keep reading!
We present a guide and Stata package for methods by Müller and Watson (2024 ECTA) to deal with Spatial Unit Roots in Regressions.
Link in 🧵 (1/n)
January 22, 2025 at 12:38 PM
🚨 New Working Paper 🚨
w/ @pdavidboll.bsky.social and @jvoth.bsky.social
Do you run regressions on spatial data? Then keep reading!
We present a guide and Stata package for methods by Müller and Watson (2024 ECTA) to deal with Spatial Unit Roots in Regressions.
Link in 🧵 (1/n)
w/ @pdavidboll.bsky.social and @jvoth.bsky.social
Do you run regressions on spatial data? Then keep reading!
We present a guide and Stata package for methods by Müller and Watson (2024 ECTA) to deal with Spatial Unit Roots in Regressions.
Link in 🧵 (1/n)
Reposted by Andy Ferrara
The last four decks (at least for now) are here:
11 Problems of TWFE: psantanna.com/DiD/11_Stagg...
12 Staggered DiD (mostly CS): psantanna.com/DiD/12_CS.pdf
13 Challenges when Treatment turns on and off: psantanna.com/DiD/13_On_of...
14 Random Treatment Timing: psantanna.com/DiD/14_Rando...
11 Problems of TWFE: psantanna.com/DiD/11_Stagg...
12 Staggered DiD (mostly CS): psantanna.com/DiD/12_CS.pdf
13 Challenges when Treatment turns on and off: psantanna.com/DiD/13_On_of...
14 Random Treatment Timing: psantanna.com/DiD/14_Rando...
psantanna.com
December 31, 2024 at 6:49 PM
The last four decks (at least for now) are here:
11 Problems of TWFE: psantanna.com/DiD/11_Stagg...
12 Staggered DiD (mostly CS): psantanna.com/DiD/12_CS.pdf
13 Challenges when Treatment turns on and off: psantanna.com/DiD/13_On_of...
14 Random Treatment Timing: psantanna.com/DiD/14_Rando...
11 Problems of TWFE: psantanna.com/DiD/11_Stagg...
12 Staggered DiD (mostly CS): psantanna.com/DiD/12_CS.pdf
13 Challenges when Treatment turns on and off: psantanna.com/DiD/13_On_of...
14 Random Treatment Timing: psantanna.com/DiD/14_Rando...
Reposted by Andy Ferrara
We’re hiring predocs at VSE with a start date of summer 2025. Come work with me on industrial policy and industrialization past and present. Not your thing? A number of my wonderful colleagues are also hiring! Listing is here: economics.ubc.ca/news/pre-doc...
Pre-Doctoral Fellow/Research Technician Opportunities - Vancouver School of Economics
Join the Vancouver School of Economics: Pre-Doctoral Fellow/Research Technician Opportunities The Vancouver School of Economics (VSE) at the University of British Columbia (UBC) is excited to announce...
economics.ubc.ca
December 13, 2024 at 11:56 PM
We’re hiring predocs at VSE with a start date of summer 2025. Come work with me on industrial policy and industrialization past and present. Not your thing? A number of my wonderful colleagues are also hiring! Listing is here: economics.ubc.ca/news/pre-doc...
The Economics Department at the University of Pittsburgh is hiring! We have an Open Rank position. You can find details and application instructions here:
www.aeaweb.org/joe/listing....
www.aeaweb.org/joe/listing....
American Economic Association: JOE Listings - August 1, 2024 - January 31, 2025
www.aeaweb.org
December 10, 2024 at 11:08 PM
The Economics Department at the University of Pittsburgh is hiring! We have an Open Rank position. You can find details and application instructions here:
www.aeaweb.org/joe/listing....
www.aeaweb.org/joe/listing....