Davide Viviano @VivianoDavide Twitter profile | Pikagi

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Davide Viviano

@VivianoDavide

2,737

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224

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Assistant Prof @HarvardEcon | Previously: postdoc @StanfordGSB ('22-23) and @UCSDEcon PhD ('22). Econometrics and Data Science.

https://t.co/5ChKg198vi

Joined July 2020

Don't wanna be here? Send us removal request.

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@VivianoDavide

Davide Viviano

1 year

Sharing a new version of the paper "Policy Design in Experiments with Unknown Interference" that studies experimental design with spillover effects. The paper now incudes an implementation of the proposed design in a large scale experiment in Pakistan:

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@VivianoDavide

Davide Viviano

2 years

I am excited to announce that I will join @HarvardEcon as an assistant professor! Before that, I will spend one year as a postdoc at @StanfordGSB . I am grateful to my advisors, @UCSDEcon , family, friends, and many people met these years for these achievements

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@VivianoDavide

Davide Viviano

7 months

Happy to announce that my paper: "Policy Targeting under Network Interference" has just been accepted at @RevEconStudies The paper studies how to optimally allocate treatments in the presence of spillover effects, using info from an existing experiment or obs/ study 1/3

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@VivianoDavide

Davide Viviano

1 year

Many thanks to the community at @StanfordGSB @StanfordEcon for this postdoc year, and special thanks to @guido_imbens and the metrics group for the mentorship, it was a truly incredible experience. Ready and excited to join the faculty at @HarvardEcon starting this summer!

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@VivianoDavide

Davide Viviano

10 months

New working paper with a fantastic team of coauthors: we study when and how to design cluster experiments with network spillovers. with @lihua_lei_stat , @guido_imbens , Brian Karrer, Okke Schrijvers, Liang Shi

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@VivianoDavide

Davide Viviano

5 months

Happy to see this online 🥳 -- (). R package for its implementation available here

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GitHub - dviviano/NetworkTargeting: R package implement Policy Targeting under Network Interference

R package implement Policy Targeting under Network Interference - dviviano/NetworkTargeting

@RevEconStudies

The Review of Economic Studies

@RevEconStudies

5 months

``One challenge in experiments or obs/ studies is that treating an individual may generate spillovers, affecting the design of the welfare-maximizing policy. Here, I present methods to optimally allocate treatments with spillovers." Recently accepted paper from @VivianoDavide 👇

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@VivianoDavide

Davide Viviano

1 year

Many thanks to the American Statistical Association - Business and Economic Statistics Section - for the Zellner Thesis Award in Econometrics and Statistics for my PhD thesis. More details here

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@VivianoDavide

Davide Viviano

5 months

Some nice addition to my office: map of Rome in ~1700 (!) (courtesy of Ed Glaeser)

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@VivianoDavide

Davide Viviano

11 months

Postdoctoral fellowship alert: The Harvard Data Science Institute is hiring postdoctoral fellows in Data Science. Applicants must specify two to five Harvard faculty to work with from *any* department -- Deadline is November 13, apply!

HDSI Postdoctoral Fellowship Program

Overview of the Fellowship Program The Harvard Data Science Initiative (HDSI) is seeking applications for its flagship Harvard Data Science Postdoctoral Fellows Program for the 2024-2025 academic...

datascience.harvard.edu

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@VivianoDavide

Davide Viviano

3 years

Excited to announce that I am on the job market. My research combines economics and data science to develop or justify methods for applications in econ/social sciences. My JMP studies experimental designs with spillover effects. For more info visit 1/3

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@VivianoDavide

Davide Viviano

1 year

Now available online an updated version of our paper on dynamic treatments. The link is here

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@VivianoDavide

Davide Viviano

2 years

Excited to be part of this tour, together with many other great scholars.

@RevEconStudies

The Review of Economic Studies

@RevEconStudies

2 years

REStud Tours, initiated in 1989, have since embodied REStud’s tradition of promoting original studies by young economists. Here are the selected speakers for 2022 and summaries of their promising JMPs. 1/8 🧵

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@VivianoDavide

Davide Viviano

2 years

Now forthcoming in the Journal of the American Statistical Association (with @randompenalty )

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@VivianoDavide

Davide Viviano

2 years

Happy to share the new version of our wp on multiple hypothesis testing joint with @wuthrich_k and @PaulFNiehaus , which now also include an empirical analysis of research costs for MHT interpreted through our model.

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A model of multiple hypothesis testing

Multiple hypothesis testing practices vary widely, without consensus on which are appropriate when. This paper provides an economic foundation for these practices designed to capture processes of...

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@VivianoDavide

Davide Viviano

2 years

Presenting next week my joint work with @PaulFNiehaus and @wuthrich_k on when, how and why you should adjust inference for multiple hypothesis testing

@kse_in

Frontiers in Economics 4 Ukraine Seminars

2 years

Hypothesis tests aren't independent. (How) do you correct for this with multiple tests? Find out Wed 15 June (5pm BST / 6pm CET) with @VivianoDavide , fresh from this year's @RevEconStudies tour. @UCSDEcon Join us! @KyivSchool #EconTwitter #FiE4Ukr

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@VivianoDavide

Davide Viviano

2 years

Thank you all very much, I was very fortunate to have such amazing advisors!

@Elliott_Metrics

Graham Elliott

@Elliott_Metrics

2 years

Congratulations Dr Viviano @VivianoDavide after a successful defense. It took a whole team of advisors (not all in photo) to keep up with your work. Good luck at @StanfordGSB for the postdoc and then @HarvardEcon .

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@VivianoDavide

Davide Viviano

1 year

Happy to see this in print in JoE

@EconMetrics

Econometric Papers

1 year

Synthetic Learner: Model-free inference on treatments over time #econometrics #timeseries

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@VivianoDavide

Davide Viviano

4 months

This is such a beatiful paper, many congrats to the authors!

@ecmaEditors

Econometrica

4 months

ECMA is happy to announce the 2024 Frisch Medal has been awarded to Dennis Egger, Johannes Haushofer, Edward Miguel, Paul Niehaus, & Michael Walker for their outstanding paper: General equilibrium effects of cash transfers: experimental evidence from Kenya

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@VivianoDavide

Davide Viviano

7 months

Totally recommend

@CavaliereGiu

Giuseppe Cavaliere

7 months

Hi #EconTwitter !✍️ Working on perfecting your writing style for #economics papers and essays? Check out this useful resource by @VaranyaChaubey on improving your research paper writing skills. Tailored for PhD candidates and postdocs but useful for everyone! Plus, don’t miss

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@VivianoDavide

Davide Viviano

2 years

Presenting at the (online) Chamberlain seminar this Friday my work on experiments and spillover effects. Details available at

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Chamberlain Seminar

The Gary Chamberlain Online Seminar in Econometrics

www.chamberlainseminar.org

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@VivianoDavide

Davide Viviano

2 years

#ASSA2023 will feature many interesting sessions on experimental design, causal inference, and policy learning. For those interested, I will be presenting on Jan 6, session on Adaptive Experimentation and Policy Learning ().

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@VivianoDavide

Davide Viviano

4 months

Excited to present here our work that studies when and how to adjust inference for multiple hypothesis testing ( , w/ Kaspar Wuthrich and @PaulFNiehaus )

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A model of multiple hypothesis testing

Multiple hypothesis testing practices vary widely, without consensus on which are appropriate when. This paper provides an economic foundation for these practices designed to capture processes of...

@maxkasy

Maximilian Kasy

4 months

🎈💭 Only 3 weeks to go!💭🎈 3 day workshop on Economic Analyses of Science at Oxford: Sign up for free online or in-person participation at

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@VivianoDavide

Davide Viviano

1 year

I will be presenting here if anyone is around!

@IQSS

Harvard Institute for Quantitative Social Science

1 year

The Workshop in Applied Statistics kicks off the new academic year with @VivianoDavide (Harvard Department of Economics), who is presenting "Policy targeting under interference." Join us at 12:00 noon!

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@VivianoDavide

Davide Viviano

2 years

Thanks @NUEconomics and @UChi_Economics for wonderful visits this week, and looking forward to the interaction conference on econometrics and applied Econ at @WIeconomics this weekend!

@pedrohcgs

Pedro H. C. Sant'Anna

2 years

So looking forward to the 2022 Interactions Conference: Bringing Together Econometrics and Applied Economics. Look at this program!! So good!

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@VivianoDavide

Davide Viviano

4 months

Excited about the fantastic program ahead! Presenting here our work on the design of clusters/cluster experiments with network spillovers

@GaborBekes

Gabor Bekes

4 months

Amazing network economics workshop is coming up in the Twin Cities @UMNISyE with @VivianoDavide @ben_golub Matt Jackson, and many more. And, @korenmiklos will present our paper on collaboration in open-source software.

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@VivianoDavide

Davide Viviano

1 year

If instead you are interested in statistical treatment choice with networks/spillovers using data from an existing (quasi)experiment, I also recently posted a revised version on my other paper on choosing whom to treat with spillover effects here:

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@VivianoDavide

Davide Viviano

1 year

Thanks @YaleRISE for a wonderful day of discussion!

@YaleRISE

Y-RISE

1 year

An econometrician, a macro-economist and a psychologist walk into a Yale conference room.... And end to a day with robust discussion about harmonizing outcomes, thinking through heterogenity, scaling questions. More to come! n/n

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@VivianoDavide

Davide Viviano

3 years

If you are interested in networks, causal inference, and experimental design, I will be presenting my works in two separate sections at the EEA-ESEM congress this week (Tuesday and Wednesday). Details are here

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@VivianoDavide

Davide Viviano

2 years

@stats_tipton If it can be helpful, in this paper we argue that multiple hypothesis adjustments should mostly depend on economic incentives and costs complementarities of each study.

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A model of multiple hypothesis testing

Multiple hypothesis testing practices vary widely, without consensus on which are appropriate when. This paper provides an economic foundation for these practices designed to capture processes of...

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@VivianoDavide

Davide Viviano

1 year

Thanks @GSBsiLab !! Link to the paper:

@GSBsiLab

Golub Capital Social Impact Lab

1 year

In his paper “Policy Design in Experiments with Unknown Inference,” @GSBSilab research affiliate @VivianoDavide explores experimental design with spillover effects. In its latest version, he implements it on a large-scale experiment in Pakistan

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@VivianoDavide

Davide Viviano

10 months

Fantastic presenter and paper!

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@VivianoDavide

Davide Viviano

2 years

This seems very interesting and useful!

@instrumenthull

Peter Hull

@instrumenthull

2 years

Econometrica seems to be experimenting with brief author responses to referee reports, prior to editor decisions. Seems cool!

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@VivianoDavide

Davide Viviano

7 months

The method extends the lit on policy learning to the context of spillovers, allowing for local spillovers in the network and constraints on the policy space. For implementation, see the R-package NetworkTargeting developed with @J_S_Carlson

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GitHub - dviviano/NetworkTargeting: R package implement Policy Targeting under Network Interference

R package implement Policy Targeting under Network Interference - dviviano/NetworkTargeting

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@VivianoDavide

Davide Viviano

7 months

Interesting and sad article of ft about Italy

@mushfiq_econ

Mushfiq Mobarak

7 months

“They bring us here and let us construct nice ships where people can go on vacation,” says Sani who migrated from Bangladesh at age 16 to join his father, a shipyard worker. “But when they have to recognise your rights, they want you to be a slave.”

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@VivianoDavide

Davide Viviano

3 years

So well deserved!

@NobelPrize

The Nobel Prize

3 years

BREAKING NEWS: The 2021 Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel has been awarded with one half to David Card and the other half jointly to Joshua D. Angrist and Guido W. Imbens. #NobelPrize

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@VivianoDavide

Davide Viviano

2 years

@CavaliereGiu @JEconometrics @randompenalty Thank you, @CavaliereGiu !

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@VivianoDavide

Davide Viviano

3 years

See my research statement for a summary of my contributions: 3/3

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@VivianoDavide

Davide Viviano

3 years

My research agenda includes a) experimental design and inference in experiments; b) policy design and inference with quasi-experiments, studied in the contexts of (i) spillover effects/networks, (ii) machine-learning for causal inference, and (iii) algorithmic fairness. 2/3

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@VivianoDavide

Davide Viviano

7 months

By leveraging a sampling randomization device with information from neighbors of (quasi)experiment participants, I identify and estimate the target welfare. I then solve an optimization program and characterize its theoretical properties

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@VivianoDavide

Davide Viviano

6 months

@stFaridani @GATechEcon @Elliott_Metrics @PaulFNiehaus @wuthrich_k Congrats Stefan, super well deserved!!

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@VivianoDavide

Davide Viviano

3 years

Hello folks, here is my first (presentational) tweet: I am a Ph.D. candidate at UC San Diego, Econ working on econometrics and Data Science, with a focus on causal inference, networks, experimental and policy design. You find more info at

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@VivianoDavide

Davide Viviano

7 months

Last but not least many (many) thanks to the Editor (Francesca Molinari) and all four referees who did a terrific job which substantially improved the paper. And very special thanks also to my advisors and colleagues for incredibile support and feedback

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@VivianoDavide

Davide Viviano

1 year

@JhengShao Nice! Check out also this paper if you are interested in quasi-experimental settings (paper: … ; slides: )

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@VivianoDavide

Davide Viviano

2 years

@cameron_pfiffer @shoshievass Congrats! We have a what's up group for postdocs if you want to join (email me in case)

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@VivianoDavide

Davide Viviano

3 months

@AlejandroSBe @clintmharris1 Interestingly whether and how we want to do indexing vs betw/ outcomes multiple hypothesis testing corrections depends on how we interpret such outcomes from a decision theoretic perspective. We have some discussion in Sec 4 here in case of interest

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A model of multiple hypothesis testing

Multiple hypothesis testing practices vary widely, without consensus on which are appropriate when. This paper provides an economic foundation for these practices designed to capture processes of...

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@VivianoDavide

Davide Viviano

1 year

@YingShirleyMeng @StanfordGSB @StanfordEcon @guido_imbens @HarvardEcon @StefanWager @shoshievass @jannspiess @_evan_munro @DRitzwoller @Elliott_Metrics Thank you both and please let me know when you are in Boston :)

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@VivianoDavide

Davide Viviano

1 year

@Elliott_Metrics Thank you Graham very much for all your advice and help!

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@VivianoDavide

Davide Viviano

2 years

@Apoorva__Lal @mjskay We have some brief comments on FDR in Sec 3, although your setting seems different from ours. The Bayesian interpretation of pFDR through q-values in Storey's 2003 paper might help in your case. ()

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@VivianoDavide

Davide Viviano

2 months

@stFaridani @Elliott_Metrics @GATechEcon Congrats @stFaridani !!

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@VivianoDavide

Davide Viviano

2 years

@cameron_pfiffer Ahah I was hoping that nobody had noticed that the cluster had no users these days!

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@VivianoDavide

Davide Viviano

8 months

💯

@VenturiniMiri

Miriam Venturini

8 months

(Southern) Italians will understand The list in the center is the menu. The other notes split it by cook. Note that Vittorio is my grandpa (90 y.o. next April).

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@VivianoDavide

Davide Viviano

1 year

@parker_rog @jeffreypclemens @UCSDEcon Congratulations @parker_rog !

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@VivianoDavide

Davide Viviano

4 months

@_evan_munro @UCBStatistics @ChicagoBooth Congratulations Evan, this is fantastic!!

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@VivianoDavide

Davide Viviano

1 year

@xuyiqing @StanfordGSB @StanfordEcon @guido_imbens @HarvardEcon @StefanWager @shoshievass @jannspiess @_evan_munro @DRitzwoller I will miss you too, and see you in Cambridge some time soon!

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@VivianoDavide

Davide Viviano

3 years

@PossebomVitor @paulgp Gameboy color

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@VivianoDavide

Davide Viviano

10 months

@PaulaAureo @KhoaVuUmn @ImranRasul3 @EconUCL @pedroclsouza @QMUL @RevEconStudies Congrats, it is a beatiful paper!

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@VivianoDavide

Davide Viviano

5 months

@economeager Almost every student in Italy (is forced to) read it at some point at the high school -- which definitely helped appreciate it

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@VivianoDavide

Davide Viviano

2 years

@MichelaTincani @m_maggiori I think studying latin (and ancient greek) was somehow useful to learn how to learn, but agree that studying other subjects instead might be more useful.

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@VivianoDavide

Davide Viviano

6 months

@VenturiniMiri @UCRiverside Amazing!!! Complimenti Miriam!

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@VivianoDavide

Davide Viviano

1 year

@cameron_pfiffer @StanfordGSB @StanfordEcon @guido_imbens @HarvardEcon @StefanWager @shoshievass @jannspiess @_evan_munro @DRitzwoller Same for me, best of luck to you too and please feel free to reach out if you are on the East coast!

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@VivianoDavide

Davide Viviano

7 months

@pedrohcgs Congrats Pedro, this is amazing!

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@VivianoDavide

Davide Viviano

7 months

@momin_rayhan @RevEconStudies thanks, you find the accepted version on my website here

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@VivianoDavide

Davide Viviano

1 year

@CavaliereGiu Thank you, @CavaliereGiu !

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@VivianoDavide

Davide Viviano

7 months

@DaliaAGhanem Thann you Dalia :)

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@VivianoDavide

Davide Viviano

1 year

@pedrohcgs @EmoryEconomics Congrats Pedro!

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@VivianoDavide

Davide Viviano

1 year

@PossebomVitor Thanks, Vitor!

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@VivianoDavide

Davide Viviano

2 years

@skominers @HarvardEcon @StanfordGSB @UCSDEcon Grazie!

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@VivianoDavide

Davide Viviano

5 months

@AliUppalEcon @ImperialBiz Many congrats!!

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@VivianoDavide

Davide Viviano

1 year

@borusyak @AreBerkeley @berkeleyecon @EconUCL Congrats!!!

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@VivianoDavide

Davide Viviano

1 year

@masakat0 thank you!

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@VivianoDavide

Davide Viviano

3 months

@paulgp Congrats!!

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@VivianoDavide

Davide Viviano

10 months

@GiulioGrossi @lihua_lei_stat @guido_imbens Thanks!

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@VivianoDavide

Davide Viviano

1 year

@HannoLustig Thank you @HannoLustig :)

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@VivianoDavide

Davide Viviano

3 years

@YeWang1576 This is amazing, congrats Ye! Very well deserved!!

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@VivianoDavide

Davide Viviano

7 months

@paulgp @RevEconStudies Thank you, it was not my jmp! :)

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@VivianoDavide

Davide Viviano

7 months

@lihua_lei_stat @StanfordGSB So happy for you! Congrats @lihua_lei_stat

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@VivianoDavide

Davide Viviano

10 months

@ben_golub @lihua_lei_stat @guido_imbens Thanks very much! let us know if you have any comments!

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@VivianoDavide

Davide Viviano

2 years

@cameron_pfiffer Still a good reason to arrange a jam session :)

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@VivianoDavide

Davide Viviano

2 years

@connor_redpath @randompenalty Thanks, Connor!

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@VivianoDavide

Davide Viviano

1 year

@Elliott_Metrics @xiehaitian_econ Congratulations!!

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@VivianoDavide

Davide Viviano

5 months

@DaliaAGhanem thank you!

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@VivianoDavide

Davide Viviano

3 months

@maxkasy @UChicagoPress Many congrats Max, looking forward to read it!

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@VivianoDavide

Davide Viviano

5 months

@ABergeron_econ @ecmaEditors Many congrats!!

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@VivianoDavide

Davide Viviano

2 years

@YeWang1576 yeah, that was a miracle

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@VivianoDavide

Davide Viviano

5 months

@brendaprallon Grazie!!

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@VivianoDavide

Davide Viviano

5 months

@JhengShao Next time!:)

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@VivianoDavide

Davide Viviano

1 year

@DaliaAGhanem Thank you Dalia :)

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@VivianoDavide

Davide Viviano

2 years

@pedrohcgs @HarvardEcon @StanfordGSB @UCSDEcon grazie mille!

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@VivianoDavide

Davide Viviano

7 months

@paulgp @RevEconStudies Indeed I do! it took me some time for the jmp as there we waited to then implement it in a real large scale experiment after the job market

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@VivianoDavide

Davide Viviano

3 years

@JacobOrchard5 @federalreserve Congrats!!!

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@VivianoDavide

Davide Viviano

7 months

@lihua_lei_stat @RevEconStudies thanks, Lihua :)

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@VivianoDavide

Davide Viviano

3 years

Looking forward to the NBER Summer Institute on Labor Studies kicking off today!

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@VivianoDavide

Davide Viviano

2 years

@m_maggiori @HarvardEcon @StanfordGSB @UCSDEcon grazie!

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@VivianoDavide

Davide Viviano

1 year

@pedrohcgs Thank you, Pedro!

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@VivianoDavide

Davide Viviano

2 years

@shephard_neil Congrats @asheshrambachan !

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@VivianoDavide

Davide Viviano

1 year

@paulgp @StanfordGSB @StanfordEcon @guido_imbens @HarvardEcon @StefanWager @shoshievass @jannspiess @_evan_munro @DRitzwoller Thanks :D

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@VivianoDavide

Davide Viviano

1 year

@cristobalotero @ChinaEconLab Congrats!

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@VivianoDavide

Davide Viviano

3 months

@r_sabareesh @ISBedu @UChi_Economics @DILatUChicago Congrats!! I am very happy for you!

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@VivianoDavide

Davide Viviano

1 year

@GaborBekes @EEANews Thanks @GaborBekes !

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@VivianoDavide

Davide Viviano

1 year

@livia_alfonsi @JeremyMagruder @tedmiguel @ImranRasul3 @GaiaDossi Complimentii!!

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