Nageeb Ali
@SNageebAli
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Professor of Economics @PennStateEcon
State College, PA
Joined July 2014
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With past and current advisees: Ce Liu,
@ece_teoman
,
@VasundharaMall2
,
@aislinnbohren
,
@xiaolin_econ
, and
@Wenhao19921
.
Couldn’t be prouder of this group, and grateful for all that they have taught (and continue to teach) me.
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New solution to Monty Hall, courtesy of an 8 year old:
Me: Do you switch or stay?
She: I switch.
Me: Why?
She: I switch to the door he opens.
Me: Huh?
She: I want a goat. What would I do with a car?
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Why did Overleaf just make me do a captcha test?
If anyone (bots included) wants to hack into my account and finish my papers, by all means, go right ahead.
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I was corresponding with a first-year student interested in game theory about potential summer reads, and thought I would compile my suggestions for any other graduate students looking for the same.
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Me @ 20: My econ profs sometimes appear to have trouble with basic calculus. I'll rock in the econ world.
Me @ 40: has trouble with basic calculus.
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Having served the longest time as a predoc, Charles finally gets into grad school.
Almost looks forward to qualifying exams.
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Every summer, I wonder if the Registrar could maybe have found a less foreboding title for my class.
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Imagine a world in which you love econ + math and yay, you are admitted into grad school in a foreign country!
1st yr = Bootcamp + lots of exams / problems. You pass quals!
2nd yr onwards = Great, now learn to read, write, & present papers in fluid+compelling Mandarin.
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Editing my CV often requires fighting and winning against Word's built-in formatting. It's time to quit and shift to LaTeX. Has anyone come across good LaTeX templates for academic / econ CVs?
#EconTwitter
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When a pre-doc is no longer sufficient to get into grad school…
We were delighted to see four students of the Department of Economics taking part in the 21st Carroll Round Undergraduate Economics Research Conference held at Georgetown University in Washington between 21-24 April 2022
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Tip for job candidates: Interview intros are important. Here is a good recipe:.
- Greeting: Hello.
- Introduce yourself: My name is Inigo Montoya
- Establish a personal connection: You killed my father.
- Set expectations: Prepare to die.
#econjobmarket
#memesneverdie
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I love
@overleaf
but it has two challenges for lazy + easily tempted folks:
- One opens a browser --> One opens other tabs too.
- It takes several clicks to get there.
But there is a way to get Overleaf to sit as a standalone app. Instructions below for Apple users.
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For those teaching micro to undergraduates or MA students this semester, here are a very nice set of lecture notes by
@BorgersTilman
:
The notes are lucid and simple, and Tilman’s discussion is engaging and fun.
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New Martin Osborne book for an area that needs it: "Models in Political Economy"
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Yay, excited to share this news. Terrific process at the AER (~8 months from first sub to cond acceptance), with constructive feedback that improved the paper significantly.
We had a lot of fun and learned a lot while writing this paper. Brief thread below.
Forthcoming in the AER: "Adverse and Advantageous Selection in the Laboratory" by S. Nageeb Ali, Maximilian Mihm, Lucas Siga, and Chloe Tergiman.
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What papers have you seen that struck you as being particularly well written and you would suggest to PhD students as a way to see good exposition?
Bonus points for good intros.
Self-nominations allowed; hoping that I can just share this thread with some PhD students.
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📢📢NEW PAPER ALERT📢📢
A new paper on Unobservables and Existence with two new co-authors. This may sound like hyperbole, but I view this to be my most imaginative paper yet.
Brief 🧵 below.
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Tragic news for
@PennStateEcon
,
@berkeleyecon
, and the world of economic theory: John Morgan’96 passed away last week.
I didn’t know John well, but admired his prolific record, his breadth of interests, and his energy. This is a loss for us all.
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I believe in reading the classics. Here is one that I recommend to everyone:
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Can we kill the "et al."? What purpose does it serve?
For those who worry about the bloat this induces in econ papers, there are many better places to trim fat. Why exclude refs to people who are lexicographically disadvantaged?
An evergreen paper:
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As we reminisce about the golden era of "A Theory of..." what are your favorite "Theory / Model" of papers?
Mine below.
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Orthogonal to the location of ASSA 2023: are depts returning to in-person 1st round interviews? Why?
I found Zoom 1st rd interviews to be better -- more faculty attend + no hotel awkwardness + less travel.
Job talks are better in person but why not keep 1st round virtual?
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Avinash Dixit's "Lawlessness and Economics" is a must read: it has charm, creative + simple modeling, and wonderful anecdotes.
Great for inspiring curiosity about the world, and emphasizing the role of theory in shaping how one sees it.
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Poignant moment: My mother is in Delhi now receiving a posthumous award for my father.
Not a day goes by that I don't miss him terribly and feel robbed of the time we would have spent together. He truly lived life with humor, humility, and a commitment to taking care of others.
@PIB_India
@PIBHomeAffairs
@AmitShah
@PMOIndia
@narendramodi
@FinMinIndia
@nsitharaman
@DefenceMinIndia
@rajnathsingh
@HMOIndia
@HCI_PortLouis
@MangteC
@KirenRijiju
@RijijuOffice
@kheloindia
@MEAIndia
Senior Bangladeshi Diplomat, Syed Muazzem Ali, also former High Commissioner to India and Foreign Secretary of Bangladesh - awarded ‘The Padma Bhushan’ for his exceptional and distinguished service to the Nation.
#PadmaAwards2020
#PeoplesPadma
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My father posthumously receives Ekushey Padak, the 2nd highest Bangladesh civilian award. He would have been thrilled.
He and my mother, like others, made courageous choices during the Liberation war. Serving his young nation was central to his being.
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🎉A very happy defense for
@xiaolin_econ
, who moves to UPenn this Fall. 🎉
Xiao's dissertation comprises three papers in information economics; a thread on these below.
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People are talking about a prize for the credibility revolution, but I thought we already recognized the importance of subgame perfection back in ‘94.
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This was an incredibly fun + productive research experience — we hope there is more to come — and really terrific process
@QJEHarvard
(with a lot of constructive and prompt feedback).
My first pub as part of team
@PennStateEcon
. :-)
Recently accepted by
#QJE
, “How to Sell Hard Information,” by Ali (
@SNageebAli
), Haghpanah (
@NimaHaghpanah
), Lin (
@xiaolin_econ
), and Siegel:
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Just came across these terrific lecture notes by
@AnnieHLiang
: she brings together a lot of material crucial for theory today, much of which one does not find in any textbook.
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We just lost my aunt [mother's sister] to COVID. She was an academic in Bangladesh who led with courage, strength, and persistence.
Here is a Wikipedia entry on her:
As I process my loss, here are some more details
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Rock star adviser (
@Susan_Athey
) continues rocking on! Congratulations Susan: very well-deserved.
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Such a richly deserved Clark Medal for a scholar who is incredibly thoughtful and productive, and whose actions unflaggingly convey positive energy, humility, and curiosity.
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This may be why non-native speakers are often viewed to be technical rather than creative:
(a) their creativity is underappreciated
(b) given the hurdle, it's rational for them to signal ability thru technical accomplishments.
This is a distortion + inefficiency.
4/
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Why do distortionary policies persist? This is an important question in pol econ. I came across this beautiful 6 page paper in the AER by
@M_ttM_
and Andrea Moro.
Here is a brief thread but I won't be offended if you read the paper instead.
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“We would love to have you present in our seminar…”
What’s going on here?
Come on y’all, I need a laugh.
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Ed Green, one of my colleagues
@PennStateEcon
, passed away. He had an interesting career and wrote pioneering papers. And he was also incredibly kind and generous to colleagues and students alike. (1/n)
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As any visitor to
@PennStateEcon
's theory group knows, Vijay Krishna is a scholar with insight, wit, and positive energy.
This week, we're hosting a small conf to celebrate his 65th with friends and advisees. I expect lots of learning and laughs.
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A teaching evaluation from my undergrad behavioral economics course that made my morning.
Lucky to have awesome students, and an excellent TA (
@ece_teoman
).
#braggingintheeraofcorona
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This semester, I have been teaching undergraduate behavioral economics
@PennStateEcon
. This is a joy to teach, and I’m grateful that I get to do it.
We study decisionmaking, starting with “standard models” and derive their choice-theoretic implications. I.e., Axioms. 1/6
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Princeton (
@PrincetonEcon
) had a 65th Birthday conference for Roland Benabou, organized by Franz Ostrizek & Philipp Sadowski.
Reflecting on his meandering path, Roland says here: "Don't follow the fashion, follow your passion."
(Photo credit: Pellumb Reshidi).
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When a micro theorist is asked about interest rates…
Throwback to when this man waiting for a job interview, got mixed up and BBC interviewed him as an expert.
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No filter. No fancy camera. Just a sunset in Costa Rica, and two of my favorite people soaking it in.
#EconPhotographyTwitter
[Great idea,
@KhoaVuUmn
]
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My father passed away today. He was kind, had a great laugh, always had a flair for fashion, and always worked to make sure his family felt happy and loved. I will miss him every day.
Here is an article about him:
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My father was excited by every place where we lived, but felt a particular strong connection to the rich culture of Iran (particularly the poetry and writings of various sufis). I know what he would be writing + emailing me about today.
So on his behalf, Happy Nowruz to all!
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This leads me to think about how to be supportive and constructive as adviser / teacher / referee / generally-old-guy.
Constructiveness would not only make our discipline more inclusive but would also lead to better and more ideas being communicated in our discipline.
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\begin{subtweet}
Amused by how one misinformed thread induces us to refer to a book that is rightfully used as a monitor stand during the other 364 days of the year.
\end{subtweet}
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This was an incredibly fun paper to work on—we all learned a lot from the process—and it’s gratifying to see it in print.
Forthcoming in the AER: "Who Controls the Agenda Controls the Legislature" by S. Nageeb Ali, B. Douglas Bernheim, Alexander W. Bloedel, and Silvia Console Battilana.
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This is a very thought-provoking paper; it's been a while since I have read something that has resonated with me as much. If I were to tweet storm about any paper, this would be it. But first, you should Rani's words for yourself.
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@Andrew___Baker
As someone who self-identifies as an "applied theorist":
Applied theory helps clarify our intuitions and understanding of the world.
Pure theory builds methodological tools or helps clarify our understanding of the relationship between models.
Both super useful.
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At this time, why do university leaders send emails to faculty that are long and require careful reading to find the action items / advice?
This is especially problematic for those of us juggling work and childcare. I need lists, not flowery prose.
(And I doubt I'm alone).
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This won today's contest for "Explain game theory. Wrong answers only."
Nash-influenced game theory isn’t a testable scientific theory but an intellectual tool—a way of organizing our thoughts and applying them in a consistent manner.
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Bob Wilson’s autobiography is moving, inspiring, and infused with his characteristic humor and humility.
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Excited to share new paper with Navin Kartik and
@AndreasKleiner8
:
Comments welcome, and a parable follows:
Peter (P) bargains with Victoria (V) over Policy. Both have single-peaked preferences, but V privately knows her ideal policy.
1/n
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The latest Awaya-Krishna paper, with the striking finding that MORE common information leads to LESS common beliefs.
Commonality of Information and Commonality of Beliefs:
As usual, they begin with a simple example, and offer a clear message.
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🚨🚨🚨
@xiaolin_econ
is on the job market this year, and his remarkable job market paper "Credible Persuasion" (co-authored with Ce Liu) is available for public viewing.
Link here:
and thread below.
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(Can’t believe this hasn’t been said yet since it’s what I think every time I see this)
Game theory, market design, information design, social choice.
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Hello New Followers!
I don't have a Soundcloud - or know what that is - but I do have a new pub that I think is accessible and interesting:
@econ_greg
,
@shoshievass
, and I study privacy and consumer control in markets:
Forthcoming at
@RevEconStudies
.
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My father Syed Muazzem Ali posthumously receives the Padma Bhushan award, which is one of the highest civilian awards from the Indian Government.
He put his heart and soul into serving Bangladesh, and this would have brought him fulfillment.
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I also enjoyed reading papers on dynamics. Here are some I found accessible, where the English and notation flow seamlessly:
Yildiz:
Kandori:
BHW:
Ely-Valimaki:
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Although this isn't what I faced, it is isomorphic to what many economists do face.
Being a non-native English speaker must be challenging. On top of the challenging ideas, tools, and techniques, there are just so many subtleties of English speech and writing to learn.
2/
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To make it worse, in econ theory at least [and prob other fields too], one's "creativity" is assessed by the ability to propose a new framework + elaborate on why that framework is compelling.
A necessary skill for this is the ability to debate and persuade in English.
3/
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It's been marvelous to see all the innovation in the
#Econtwitter
teaching space, be it light boards, OBS + Zoom, etc.
But in case you are one of those who is sticking to what is now an old-fashioned solution, you're not alone.
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It's been a few days, but I still feel Bill's loss profoundly.
It may be a bit strange, particularly since we met for a couple of hours in 2008.
But based on comments from others, it isn't atypical for Bill to have made an indelible impression during a brief encounter.
We are saddened to share that Professor Bill Sandholm passed away earlier this week. Bill was an authority on Evolutionary Game Theory. A great teacher, a dedicated advisor, and truly one of the kindest people in the profession, Bill will be missed dearly.
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Like a lot of you, I initially thought this was about linear algebra.
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Finally, summer is a great time to read books that are halfway between textbooks and research discourse. Game theory has some classics that are as fun today as two decades ago:
Myerson:
Krishna:
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Jonathan was an amazing scholar in many respects. Particularly remarkable is how keen he was to learn from scholars junior to him (across fields), how curious and excited he would be about their work, and how he would champion them. (
@PennStateEcon
)
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Umm, my short list is Arrow.
One could say he did macro but that’s because he did everything.
Forced to add a second, I’d add Blackwell. Also someone whose work was pivotal to macro, but wouldn’t call him a macroeconomist.
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Alice and Bob have $1 to divide with divisions in increments of a penny. She makes proposals; he accepts or rejects.
Offer accepted -> Game over.
Offer rejected -> Game continues to next round.
Usual \delta discounting + infinite-horizon.
Does Alice get $1 in all SPE?
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Ran Spiegler appears to have a fun new book: "The Curious Culture of Economic Theory".
Sample chapters here:
And of course, a trailer:
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"The second wave of our experiment determines if Twitter debate about the ethics of randomization helps or hurts the publication of a paper..."
Wow.
(It's not clear that the boost to downstream outcomes like flyouts could hold in long-run equilibrium, or that added visibility really is the mechanism driving it. But still, pretty striking, QED!)
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We often have an intuition that we can identify present bias and / or naivete from the timing of choices...that we can distinguish between (irrational) procrastination and optimal stopping.
But it's not so easy, and this elegant and thoughtful paper identifies why.
Forthcoming in the AER: "Identifying Present Bias from the Timing of Choices" by Paul Heidhues and Philipp Strack.
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AI says out loud what many of us have wondered quietly for years.
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As I wait for my flight to Dhaka in Singapore, I put my father's name in the search box. It is a warm and fulfilling surprise to see that so many have written about him.
Given the man that he was, warm, friendly, and with such diverse interests, it's not a surprise after all.
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Of course, no reason to just read what I read two decades ago. Here are two recent papers that are interesting and accessible for a first-year (one fundamental, one applied):
Esponda-Vespa:
Ben-Porath, Dekel, and Lipman:
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Story of my life: The final \epsilon of a paper always takes 1/\epsilon time. The illusory end is always in sight.
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Why do we vote? Our reasons often reflect a mixture of ethical considerations and social motivations, and we've seen this on
#ThisEconomistVotedBecause
.
If you're looking for a newsbreak, here is a tiny subset of papers to read.
(Writing this is my newsbreak).
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Was this close to submitting a paper that featured a “convex sex”.
(Inadvertently) pushing the boundaries of econ theory.
#EconTwitter
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Wit of Andreas Kleiner:
"So you are presenting in Chicago tomorrow? Somehow I have seen a lot less coverage of this on Twitter than the presentation by that other guy."
😂😂
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It's awesome that this beautiful paper is now forthcoming! It's destined to be a classic.
I can't help but share an anecdote about my colleague and friend
@NimaHaghpanah
, one of its authors.
1/4
Firms sell their products sometimes as bundles and sometimes separately. Why?
Our faculty
@NimaHaghpanah
and coauthor
@JasonDHartline
study this question in their paper, “When is pure bundling optimal?”, forthcoming in
@RevEconStud
[thread]
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I have a joke about topology, but honestly, we’ve all reached our limits on this meme, and it’s time for some closure.
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Graduate students struggle with starting new projects, and some discussion would be useful.
Modelers out there: how do you start a new project?
Do you:
A) Write a (simple) example. Write another. Then generalize.
B) Develop a model that incorporates the elements you want.
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This issue of AEJ-Micro is fantastic; several papers that are really worth reading.
It also includes a great experimental study of voluntary disclosure, which I will take a few moments to describe.
1/5
The May 2021 issue of AEJ: Microeconomics (13, 2) is now available online at .
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@ling_sprenger
I have often been on the sending and occasionally receiving end of this, and it’s marvelous. I think of it as the incredible luxury of being someone’s student for the day, even if that person is someone you’ve never met or might not ever meet.
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It's also a case of misspecified beliefs where one is not accounting for selection.
Accounting for selection suggests: (i) many nonnative speakers are prob better economists than one initially thinks, (ii) being a native speaker, my ideas are prob worse than my papers suggest.
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I love this result, but alas, I lose intuition in notation, particularly if expectations are involved.
Thankfully, for people like me, Rubinstein and Wolinsky wrote a BEAUTIFUL paper in JET, explaining the logic of it so very clearly.
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Great pleasure and honor to speak to my father’s professional family, and share in this celebration with them.
I’m not a natural public speaker, but I did my best to channel some of his insights and humor here.
Syed Nageeb Mustafa Ali
@SNageebAli
speaking as Special Guest at the Seminar on Shohid Dibosh and International Mother Language Day 2022
@FSA_Bangladesh
. Mr Ali is the son of late Ambassador Syed Moazzem Ali who played the crucial role for recognition of 21 February as IMLD.
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When my kids were really young, I enjoyed teaching math TO them.
But very quickly, I enjoyed learning math and science WITH / FROM them.
Here is a cool fact that I learned with / from my elder daughter:
if p is prime & q is a positive integer, q^p-q is divisible by p.
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This is where I learned how to drive. First time I stopped at a red light, my instructor turned to me and asked, “What are you doing?? Go go go!”
Good times.
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Upon further reflection, I see how this
@xkcd
comic captures so much of economics so well.
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Ideas, like trees, can find roots in unexpected places. We should all be open to it.
Also, while there is much darkness in today’s world, there is also so much beauty and light.
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The above is work that uses game theory to think about the world. One, of course, wants to also think about game theory and whether one buys it. Some useful reads here:
Rubinstein:
Brandenburger:
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