Valentina Melentyeva
@vmelentyeva.bsky.social
Assistant Professor at Tilburg University and Project Leader at RFBerlin
Labor Economics & Applied Econometrics
Personal website: https://sites.google.com/view/valentina-melentyeva/home
Labor Economics & Applied Econometrics
Personal website: https://sites.google.com/view/valentina-melentyeva/home
Reposted by Valentina Melentyeva
🧵1/4
🚨 We have finalized our DID textbook!
You’ve run out of excuses for sketchy pre-trends and mysterious TWFE coefficients.
📘 Credible Answers to Hard Questions: Differences-in-Differences for Natural Experiments
By Chaisemartin & D’Haultfœuille.
papers.ssrn.com/sol3/papers....
🚨 We have finalized our DID textbook!
You’ve run out of excuses for sketchy pre-trends and mysterious TWFE coefficients.
📘 Credible Answers to Hard Questions: Differences-in-Differences for Natural Experiments
By Chaisemartin & D’Haultfœuille.
papers.ssrn.com/sol3/papers....
Credible Answers to Hard Questions: Differences-in-Differences for Natural Experiments
<div>
The purpose of this book is to introduce applied researchers to
</div>
<div>
modern Differences-in-Differences (DID) estimators, tailored to potentially
papers.ssrn.com
June 25, 2025 at 6:49 AM
🧵1/4
🚨 We have finalized our DID textbook!
You’ve run out of excuses for sketchy pre-trends and mysterious TWFE coefficients.
📘 Credible Answers to Hard Questions: Differences-in-Differences for Natural Experiments
By Chaisemartin & D’Haultfœuille.
papers.ssrn.com/sol3/papers....
🚨 We have finalized our DID textbook!
You’ve run out of excuses for sketchy pre-trends and mysterious TWFE coefficients.
📘 Credible Answers to Hard Questions: Differences-in-Differences for Natural Experiments
By Chaisemartin & D’Haultfœuille.
papers.ssrn.com/sol3/papers....
Reposted by Valentina Melentyeva
Are you a PhD student or Postdoc working on topics in Empirical Economics? Please apply to our 9th Potsdam PhD Workshop 👇
⏰ Deadline to apply: June 30, 2025.
⏰ Deadline to apply: June 30, 2025.
We are pleased to announce the 9th Potsdam PhD Workshop in Empirical Economics, which will be held September 24–25, 2025. The workshop aims to allow talented young researchers to present and discuss their research. For details and the CfP, follow this link: www.uni-potsdam.de/en/cepa/even...
Other Events
www.uni-potsdam.de
May 22, 2025 at 12:46 PM
Are you a PhD student or Postdoc working on topics in Empirical Economics? Please apply to our 9th Potsdam PhD Workshop 👇
⏰ Deadline to apply: June 30, 2025.
⏰ Deadline to apply: June 30, 2025.
If you
- work on #gender inequality in the labor market
- want to finally understand what this never-ending #DiD literature is talking about
- teach recent advances in DiD
then take a look at our WP with Lukas Riedel! #EconSky @rfberlin.bsky.social
www.rfberlin.com/research/chi...
- work on #gender inequality in the labor market
- want to finally understand what this never-ending #DiD literature is talking about
- teach recent advances in DiD
then take a look at our WP with Lukas Riedel! #EconSky @rfberlin.bsky.social
www.rfberlin.com/research/chi...
June 11, 2025 at 9:38 AM
If you
- work on #gender inequality in the labor market
- want to finally understand what this never-ending #DiD literature is talking about
- teach recent advances in DiD
then take a look at our WP with Lukas Riedel! #EconSky @rfberlin.bsky.social
www.rfberlin.com/research/chi...
- work on #gender inequality in the labor market
- want to finally understand what this never-ending #DiD literature is talking about
- teach recent advances in DiD
then take a look at our WP with Lukas Riedel! #EconSky @rfberlin.bsky.social
www.rfberlin.com/research/chi...
Reposted by Valentina Melentyeva
📢 We are looking for a postdoctoral researcher at the Institute for Employment Research (@iabnews.bsky.social) for our research project on the gig economy! #EconSky
Link: econjobmarket.org/positions/11...
start date: October 2025
Some German knowledge is required.
Link: econjobmarket.org/positions/11...
start date: October 2025
Some German knowledge is required.
May 29, 2025 at 2:18 PM
📢 We are looking for a postdoctoral researcher at the Institute for Employment Research (@iabnews.bsky.social) for our research project on the gig economy! #EconSky
Link: econjobmarket.org/positions/11...
start date: October 2025
Some German knowledge is required.
Link: econjobmarket.org/positions/11...
start date: October 2025
Some German knowledge is required.
Reposted by Valentina Melentyeva
Just posted updated version of our DID textbook! We now have drafts of all chapters, including the one on general designs! Now you can tell your friends still on X that they are DID-outdated :-) Happy easter for those of you that celebrate it. papers.ssrn.com/sol3/papers....
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
April 18, 2025 at 2:28 PM
Just posted updated version of our DID textbook! We now have drafts of all chapters, including the one on general designs! Now you can tell your friends still on X that they are DID-outdated :-) Happy easter for those of you that celebrate it. papers.ssrn.com/sol3/papers....
Reposted by Valentina Melentyeva
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 Valentina Melentyeva
I really liked this idea of using a histogram as a legend in a choropleth map (since land isn't unemployed; people are), so I made a little guide to doing it with #rstats, {ggplot2}, and {patchwork}
www.andrewheiss.com/blog/2025/02...
www.andrewheiss.com/blog/2025/02...
February 19, 2025 at 5:58 PM
I really liked this idea of using a histogram as a legend in a choropleth map (since land isn't unemployed; people are), so I made a little guide to doing it with #rstats, {ggplot2}, and {patchwork}
www.andrewheiss.com/blog/2025/02...
www.andrewheiss.com/blog/2025/02...
Reposted by Valentina Melentyeva
@Antoinedeeb.bsky.social and I have new paper and Stata commands, to estimate & predict treatment-effect heterogeneity in multi-site RCTs! papers.ssrn.com/sol3/papers....
Estimators computed by multisite_varITT multisite_regITT and multisite_varLATE Stata packages, available from SSC.
Estimators computed by multisite_varITT multisite_regITT and multisite_varLATE Stata packages, available from SSC.
February 13, 2025 at 11:53 AM
@Antoinedeeb.bsky.social and I have new paper and Stata commands, to estimate & predict treatment-effect heterogeneity in multi-site RCTs! papers.ssrn.com/sol3/papers....
Estimators computed by multisite_varITT multisite_regITT and multisite_varLATE Stata packages, available from SSC.
Estimators computed by multisite_varITT multisite_regITT and multisite_varLATE Stata packages, available from SSC.
Reposted by Valentina Melentyeva
Our practical guide to shift-share IV is now out in the JEP!
www.aeaweb.org/issues/793
(Ungated version: www.dropbox.com/scl/fi/el9yn...)
www.aeaweb.org/issues/793
(Ungated version: www.dropbox.com/scl/fi/el9yn...)
Journal of Economic Perspectives
Vol. 39 No. 1 Winter 2025
www.aeaweb.org
February 13, 2025 at 3:23 PM
Our practical guide to shift-share IV is now out in the JEP!
www.aeaweb.org/issues/793
(Ungated version: www.dropbox.com/scl/fi/el9yn...)
www.aeaweb.org/issues/793
(Ungated version: www.dropbox.com/scl/fi/el9yn...)
Reposted by Valentina Melentyeva
I put together an overview of recent developments in the literature on gender-based violence for @AEAjournals
There's enough material for 2x 1.5hr lectures. I've covered the material in labor & gender economics classes
I hope they can be helpful!
www.dropbox.com/scl/fi/ea7v9...
There's enough material for 2x 1.5hr lectures. I've covered the material in labor & gender economics classes
I hope they can be helpful!
www.dropbox.com/scl/fi/ea7v9...
February 12, 2025 at 4:13 PM
I put together an overview of recent developments in the literature on gender-based violence for @AEAjournals
There's enough material for 2x 1.5hr lectures. I've covered the material in labor & gender economics classes
I hope they can be helpful!
www.dropbox.com/scl/fi/ea7v9...
There's enough material for 2x 1.5hr lectures. I've covered the material in labor & gender economics classes
I hope they can be helpful!
www.dropbox.com/scl/fi/ea7v9...
Reposted by Valentina Melentyeva
Recently accepted by #QJE, “The Impact of Being Denied a Wanted Abortion on Women and their Children,” by Londoño-Vélez (@jlondonovelez.bsky.social) and Saravia: doi.org/10.1093/qje/...
The Impact of Being Denied a Wanted Abortion on Women and Their Children*
Abstract. This paper examines the impact of denying a wanted abortion on women and children in Colombia using high-quality administrative microdata and cre
doi.org
January 30, 2025 at 10:32 PM
Recently accepted by #QJE, “The Impact of Being Denied a Wanted Abortion on Women and their Children,” by Londoño-Vélez (@jlondonovelez.bsky.social) and Saravia: doi.org/10.1093/qje/...
Reposted by Valentina Melentyeva
"The whole field of economics, or what used to be called political economy, was really founded by people who thought they should be telling other people what to do."
This recent talk by Nobel laureate David Card at @rfberlin.bsky.social, on Immigration and Minimum Wages, is magisterial.
This recent talk by Nobel laureate David Card at @rfberlin.bsky.social, on Immigration and Minimum Wages, is magisterial.
RFBerlin Annual Public Lecture with Nobel Prize Laureate David Card
YouTube video by ROCKWOOL Foundation Berlin
www.youtube.com
January 24, 2025 at 7:55 PM
"The whole field of economics, or what used to be called political economy, was really founded by people who thought they should be telling other people what to do."
This recent talk by Nobel laureate David Card at @rfberlin.bsky.social, on Immigration and Minimum Wages, is magisterial.
This recent talk by Nobel laureate David Card at @rfberlin.bsky.social, on Immigration and Minimum Wages, is magisterial.
Reposted by Valentina Melentyeva
I've decided to collect my DiD materials in a single place.
psantanna.com/did-resources
There, you will find
- 14 lectures of my comprehensive DiD course
- Shorter lectures/talks I have given on DiD
- My DiD R/Stata/Python packages
- Some DiD checklists
- DiD materials from my friends
Enjoy!
psantanna.com/did-resources
There, you will find
- 14 lectures of my comprehensive DiD course
- Shorter lectures/talks I have given on DiD
- My DiD R/Stata/Python packages
- Some DiD checklists
- DiD materials from my friends
Enjoy!
Pedro H. C. Sant’Anna
psantanna.com
January 3, 2025 at 4:44 PM
I've decided to collect my DiD materials in a single place.
psantanna.com/did-resources
There, you will find
- 14 lectures of my comprehensive DiD course
- Shorter lectures/talks I have given on DiD
- My DiD R/Stata/Python packages
- Some DiD checklists
- DiD materials from my friends
Enjoy!
psantanna.com/did-resources
There, you will find
- 14 lectures of my comprehensive DiD course
- Shorter lectures/talks I have given on DiD
- My DiD R/Stata/Python packages
- Some DiD checklists
- DiD materials from my friends
Enjoy!
Reposted by Valentina Melentyeva
Here are the first five sets of slides:
01 Introduction: psantanna.com/DiD/01_Intro...
02 Classical 2x2 setup: psantanna.com/DiD/02_two_b...
03 Clustering issues: psantanna.com/DiD/03_Clust...
04 Functional form: psantanna.com/DiD/04_Funct...
05 Covariates: psantanna.com/DiD/05_Covar...
01 Introduction: psantanna.com/DiD/01_Intro...
02 Classical 2x2 setup: psantanna.com/DiD/02_two_b...
03 Clustering issues: psantanna.com/DiD/03_Clust...
04 Functional form: psantanna.com/DiD/04_Funct...
05 Covariates: psantanna.com/DiD/05_Covar...
December 30, 2024 at 5:19 AM
Here are the first five sets of slides:
01 Introduction: psantanna.com/DiD/01_Intro...
02 Classical 2x2 setup: psantanna.com/DiD/02_two_b...
03 Clustering issues: psantanna.com/DiD/03_Clust...
04 Functional form: psantanna.com/DiD/04_Funct...
05 Covariates: psantanna.com/DiD/05_Covar...
01 Introduction: psantanna.com/DiD/01_Intro...
02 Classical 2x2 setup: psantanna.com/DiD/02_two_b...
03 Clustering issues: psantanna.com/DiD/03_Clust...
04 Functional form: psantanna.com/DiD/04_Funct...
05 Covariates: psantanna.com/DiD/05_Covar...
Reposted by Valentina Melentyeva
📢 #CallForPapers
@cepr.org and RFBerlin invite submissions for the RFBerlin-CEPR Annual #Symposium in #Labour Economics.
Keynotes by: John Friedman (Brown U. & Opportunity Insights)
and Heather Sarsons (UBC Economics & CEPR).
📆 Deadline: 31 Jan 2025
More details & submit here: ow.ly/wZGK50U923u
@cepr.org and RFBerlin invite submissions for the RFBerlin-CEPR Annual #Symposium in #Labour Economics.
Keynotes by: John Friedman (Brown U. & Opportunity Insights)
and Heather Sarsons (UBC Economics & CEPR).
📆 Deadline: 31 Jan 2025
More details & submit here: ow.ly/wZGK50U923u
December 16, 2024 at 3:47 PM
📢 #CallForPapers
@cepr.org and RFBerlin invite submissions for the RFBerlin-CEPR Annual #Symposium in #Labour Economics.
Keynotes by: John Friedman (Brown U. & Opportunity Insights)
and Heather Sarsons (UBC Economics & CEPR).
📆 Deadline: 31 Jan 2025
More details & submit here: ow.ly/wZGK50U923u
@cepr.org and RFBerlin invite submissions for the RFBerlin-CEPR Annual #Symposium in #Labour Economics.
Keynotes by: John Friedman (Brown U. & Opportunity Insights)
and Heather Sarsons (UBC Economics & CEPR).
📆 Deadline: 31 Jan 2025
More details & submit here: ow.ly/wZGK50U923u
Reposted by Valentina Melentyeva
📢We are hiring 📢
We look to fill a Postdoc position in Economic History!
5-year position funded by ERC project „Entrenched: Elite Capture and Social Mobility“
jobportal.uni-koeln.de/bewerben/1964
Deadline: Jan 17, 2025
Please spread widely!
@econtribute.bsky.social
#EconSky
We look to fill a Postdoc position in Economic History!
5-year position funded by ERC project „Entrenched: Elite Capture and Social Mobility“
jobportal.uni-koeln.de/bewerben/1964
Deadline: Jan 17, 2025
Please spread widely!
@econtribute.bsky.social
#EconSky
December 13, 2024 at 12:11 PM
📢We are hiring 📢
We look to fill a Postdoc position in Economic History!
5-year position funded by ERC project „Entrenched: Elite Capture and Social Mobility“
jobportal.uni-koeln.de/bewerben/1964
Deadline: Jan 17, 2025
Please spread widely!
@econtribute.bsky.social
#EconSky
We look to fill a Postdoc position in Economic History!
5-year position funded by ERC project „Entrenched: Elite Capture and Social Mobility“
jobportal.uni-koeln.de/bewerben/1964
Deadline: Jan 17, 2025
Please spread widely!
@econtribute.bsky.social
#EconSky
If you are working on economics of aging, take a look at the upcoming conference at #RFBerlin!
📢 New #CallforPapers!
We invite submissions to the RFBerlin Workshop on the Economics of Aging, which will take place in Berlin on 5-6 June 2025: www.rfberlin.com/event/worksh...
Keynotes: V. Joseph Hotz and @mdenardi.bsky.social.
🗓️ Deadline: 31 Jan 2025.
Submit now and share with colleagues!
We invite submissions to the RFBerlin Workshop on the Economics of Aging, which will take place in Berlin on 5-6 June 2025: www.rfberlin.com/event/worksh...
Keynotes: V. Joseph Hotz and @mdenardi.bsky.social.
🗓️ Deadline: 31 Jan 2025.
Submit now and share with colleagues!
December 7, 2024 at 8:28 AM
If you are working on economics of aging, take a look at the upcoming conference at #RFBerlin!
Reposted by Valentina Melentyeva
Economists love using linear regression to estimate treatment effects — it turns out that there are perils to this method, but also amazing perks
Come with me in this 🧵 if you want to learn about our now-published paper "Contamination Bias in Linear Regressions!"
1/ (Twitter rerun!)
Come with me in this 🧵 if you want to learn about our now-published paper "Contamination Bias in Linear Regressions!"
1/ (Twitter rerun!)
The December 2024 issue of the American Economic Review (114, 12) is now available online at aeaweb.org/issues/785.
American Economic Review
Vol. 114 No. 12 December 2024
aeaweb.org
November 30, 2024 at 12:29 PM
Economists love using linear regression to estimate treatment effects — it turns out that there are perils to this method, but also amazing perks
Come with me in this 🧵 if you want to learn about our now-published paper "Contamination Bias in Linear Regressions!"
1/ (Twitter rerun!)
Come with me in this 🧵 if you want to learn about our now-published paper "Contamination Bias in Linear Regressions!"
1/ (Twitter rerun!)
Reposted by Valentina Melentyeva
We've created a starter pack for all of the economics journals on Bluesky. Please nominate other journals to join the list.
go.bsky.app/4kR21vX
go.bsky.app/4kR21vX
November 27, 2024 at 2:44 PM
We've created a starter pack for all of the economics journals on Bluesky. Please nominate other journals to join the list.
go.bsky.app/4kR21vX
go.bsky.app/4kR21vX
Reposted by Valentina Melentyeva
Ok guys here's the point.
Diff in Diff is a model based assumption that identifies the ATT (unless you're using random timing of rollouts, but almost noone is).
It is model-based because you make assumptions to identify the OUTCOME MODEL in the *absence* of the treatment.
1/
Diff in Diff is a model based assumption that identifies the ATT (unless you're using random timing of rollouts, but almost noone is).
It is model-based because you make assumptions to identify the OUTCOME MODEL in the *absence* of the treatment.
1/
DDDiD: Don't do difference in differences (w obs data). DiD is a (bad) weighting estimator and is almost always strictly dominated by better ones
Maybe now that Guido is saying it, people will listen
files.constantcontact.com/668faa28001/...
Maybe now that Guido is saying it, people will listen
files.constantcontact.com/668faa28001/...
files.constantcontact.com
October 31, 2024 at 9:02 PM
Ok guys here's the point.
Diff in Diff is a model based assumption that identifies the ATT (unless you're using random timing of rollouts, but almost noone is).
It is model-based because you make assumptions to identify the OUTCOME MODEL in the *absence* of the treatment.
1/
Diff in Diff is a model based assumption that identifies the ATT (unless you're using random timing of rollouts, but almost noone is).
It is model-based because you make assumptions to identify the OUTCOME MODEL in the *absence* of the treatment.
1/
Reposted by Valentina Melentyeva
Hi #EconSky,
Not sure if the Starter Pack party's over, but I've made an Econ Starter Pack of Starter Packs! 😄
It's a work in progress, so I may have missed some. Let me know if there's anything to add—DMs are open!
Thanks for support @economista.bsky.social!
docs.google.com/spreadsheets...
Not sure if the Starter Pack party's over, but I've made an Econ Starter Pack of Starter Packs! 😄
It's a work in progress, so I may have missed some. Let me know if there's anything to add—DMs are open!
Thanks for support @economista.bsky.social!
docs.google.com/spreadsheets...
November 21, 2024 at 1:38 PM
Hi #EconSky,
Not sure if the Starter Pack party's over, but I've made an Econ Starter Pack of Starter Packs! 😄
It's a work in progress, so I may have missed some. Let me know if there's anything to add—DMs are open!
Thanks for support @economista.bsky.social!
docs.google.com/spreadsheets...
Not sure if the Starter Pack party's over, but I've made an Econ Starter Pack of Starter Packs! 😄
It's a work in progress, so I may have missed some. Let me know if there's anything to add—DMs are open!
Thanks for support @economista.bsky.social!
docs.google.com/spreadsheets...
Reposted by Valentina Melentyeva
I'm trying to compete with @stephenjwild.bsky.social's DAG People starter pack, because economists believe in competition Open to suggestions! go.bsky.app/Fa2XSDH
November 15, 2024 at 5:11 PM
I'm trying to compete with @stephenjwild.bsky.social's DAG People starter pack, because economists believe in competition Open to suggestions! go.bsky.app/Fa2XSDH
Reposted by Valentina Melentyeva
Okay, the first Women in Econ starter pack was such a success that we quickly hit the BlueSky starter pack limit (150 accounts). But, I've got a version 2.0 with even more awesome economists you should follow!
go.bsky.app/J6nhkk7
go.bsky.app/J6nhkk7
I’ve made a Women in Econ starter pack (s/o @vinisingh.bsky.social for sparking the idea!). Share, follow, and comment below if you’d like to be added! go.bsky.app/LqBPkQZ
November 13, 2024 at 11:30 PM
Okay, the first Women in Econ starter pack was such a success that we quickly hit the BlueSky starter pack limit (150 accounts). But, I've got a version 2.0 with even more awesome economists you should follow!
go.bsky.app/J6nhkk7
go.bsky.app/J6nhkk7
Reposted by Valentina Melentyeva
Regression is a tool for making comparisons
If you don't know / can't easily explain what comparisons you're trying to make, then you don't understand the regression you're running
If you don't know / can't easily explain what comparisons you're trying to make, then you don't understand the regression you're running
November 13, 2024 at 7:02 AM
Regression is a tool for making comparisons
If you don't know / can't easily explain what comparisons you're trying to make, then you don't understand the regression you're running
If you don't know / can't easily explain what comparisons you're trying to make, then you don't understand the regression you're running
Reposted by Valentina Melentyeva
I started a starter pack of economists working on gender. It's sparsely populated, so please point out people I've missed.
go.bsky.app/P6kvUEe
go.bsky.app/P6kvUEe
November 11, 2024 at 12:12 PM
I started a starter pack of economists working on gender. It's sparsely populated, so please point out people I've missed.
go.bsky.app/P6kvUEe
go.bsky.app/P6kvUEe