Dimitriy V. Masterov

1.1K posts

Dimitriy V. Masterov

Dimitriy V. Masterov

@falsedvmaster

Into data before it was big. Keeping the world safe both from folks armed with pivot tables and people trained to detect cats at scale. Shallow learning champ.

Oakland, CA Katılım Ocak 2011
877 Takip Edilen452 Takipçiler
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Dimitriy V. Masterov
Dimitriy V. Masterov@falsedvmaster·
Hot Take: It's not great when people ask econometrics and programming questions here. While they get great advice from smart people, those answers are usually lost to posterity, given the recency bias and poor search on Twitter. This means the same questions come up repeatedly.
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Dimitriy V. Masterov
Dimitriy V. Masterov@falsedvmaster·
@johnjhorton If you take requests, please do an explainer for Busta Rhymes Island in Shrewsbury when you get home.
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John Horton
John Horton@johnjhorton·
Taking a vacation to Miami & staying w/ family - Me: "Why is it called E lake?" "Oh, i see."
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Brett Gordon
Brett Gordon@brett__gordon·
hive mind: I'm considering switching note apps from @NotionHQ to Obsidian @obsdmd. I don't like how Notion requires internet access (and there is no way to set "Available Offline" as a default). Any thoughts on each tool especially for typical academic use cases?
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Dimitriy V. Masterov
Dimitriy V. Masterov@falsedvmaster·
@jmhorp Workers in cash-heavy trades (plumbing, electrical work, construction, barbers, tattoo artists, etc.) typically have higher rates of underreported income than salaried employees. The right comparison would be a W2 electrician at a large contractor vs. a W2 SWE.
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Adam Ozimek
Adam Ozimek@ModeledBehavior·
I don't want to see any videos about the sad monkey. There are literally like 1 billion sad animal stories that happen every day. Nature is hell. That monkey is lucky to be in a cage away from it all.
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Dimitriy V. Masterov
Dimitriy V. Masterov@falsedvmaster·
@johnjhorton The academic life is an abattoir of immense cruelty: moleskin trousers, herringbone or doeskin jackets, sheepskin diplomas on every surface.
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John Horton
John Horton@johnjhorton·
Son: *after talking about sheep in the abstract* Do people still even wear wool anymore? Me: I'm wearing wool pants right now. And a wool-blend shirt. Son: Sheep murderer! Me: Paul, they don't skin them!
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Patrick McKenzie
Patrick McKenzie@patio11·
@moseskagan I hear from the folks who run ridesharing companies that some drivers have their target number for the day and stop once they hit it. Me, hearing that: Aaaaaaaaaaaa.
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Moses Kagan
Moses Kagan@moseskagan·
Absolutely loath this parable. Living hand-to-mouth may be kind of romantic, if you're single. If you have kids, it means you're unable to protect them from many of the vicissitudes of life or to give them the kinds of opportunities that might help them build better lives for their own kids.
Joe Haslam ☘ 🇪🇺@joehas

An American investment banker was at the pier of a small coastal Mexican village when a small boat with just one fisherman docked. Inside the small boat were several large yellowfin tuna. The American complimented the Mexican on the quality of his fish and asked how long it took to catch them. The Mexican replied, “only a little while. The American then asked why didn’t he stay out longer and catch more fish? The Mexican said he had enough to support his family’s immediate needs. The American then asked, “but what do you do with the rest of your time?” The Mexican fisherman said, “I sleep late, fish a little, play with my children, take siestas with my wife, Maria, stroll into the village each evening where I sip wine, and play guitar with my amigos. I have a full and busy life.” The American scoffed, “I am a Harvard MBA and could help you. You should spend more time fishing and with the proceeds, buy a bigger boat. With the proceeds from the bigger boat, you could buy several boats, eventually you would have a fleet of fishing boats. Instead of selling your catch to a middleman you would sell directly to the processor, eventually opening your own cannery. You would control the product, processing, and distribution. You would need to leave this small coastal fishing village and move to Mexico City, then LA and eventually New York City, where you will run your expanding enterprise.” The Mexican fisherman asked, “But, how long will this all take?” To which the American replied, “15 – 20 years.” “But what then?” Asked the Mexican. The American laughed and said, “That’s the best part. When the time is right you would announce an IPO and sell your company stock to the public and become very rich, you would make millions!” “Millions – then what?” The American said, “Then you would retire. Move to a small coastal fishing village where you would sleep late, fish a little, play with your kids, take siestas with your wife, stroll to the village in the evenings where you could sip wine and play your guitar with your amigos.”

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Scott Kominers
Scott Kominers@skominers·
One of the most common questions I get about marketplace business is when should you start taking fees? I work through how to reason about this in a new article for @a16zcrypto; here's a summary in haiku:
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John Horton
John Horton@johnjhorton·
once you factor in tupperware storage inefficiency, economies of scale in slicing, the cognitive burden of close rind monitoring etc. I'm team rindless fwiw
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John Horton
John Horton@johnjhorton·
we eat a lot of watermelon in summer & there's a family debate over whether to cut rinds off or leave on; daughter is "rinds on" camp- made argument that each person can eat as close to rind as they want, which is more efficient that central decision. A literal marginal analysis!
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Dimitriy V. Masterov
Dimitriy V. Masterov@falsedvmaster·
Bay Area Renaissance music price discrimination:
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Penny Lane
Penny Lane@lennypane·
On the other side of the spectrum from "literary" is "genre". In the film world, of course we have "genre," but I don't have language for its opposite. What would you say? Prestige? Arty? Cinematic? Non-commercial? (None of these work great imo.)
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Penny Lane
Penny Lane@lennypane·
Hello film friends. I have lots of writer friends so I often find myself in conversations about the differences + similarities across these worlds. There is one term I would love to analogize + I can't find the right words for it. That term is "literary." In the writing world...
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John Horton
John Horton@johnjhorton·
i'm being asked a "fun fact" about myself for a corporate ice breaker-y type event and I'm coming up blank. @grok totally failing me here too. I don't like coming up with fun facts - I don't know what makes a fact 'fun'
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Dimitriy V. Masterov
Dimitriy V. Masterov@falsedvmaster·
@johnjhorton There's a River of Boiling Blood for the sinners who harmed others. Dante and Virgil encountered a group of Saxons from Sutton Hoo, whose no-good relatives filed the Planned Nonoperation paperwork instead of renewing the longboat reg after the funeral like they bloopledged!
Dimitriy V. Masterov tweet mediaDimitriy V. Masterov tweet media
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John Horton
John Horton@johnjhorton·
interestingly, GPt4o imagined that not having this license plate continued to be a problem *in* hell; can't imagine there's a lot of recreational boating in 10th circle!
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Kevin A. Bryan
Kevin A. Bryan@Afinetheorem·
Relatedly, planning our 2025 PhD program, and we're formalizing even more "tech stack" training during math camp. If you start with "open, replicable, quick" as key to good science, and know right tools (for me: LaTeX, an AI-driven IDE, Git), it's easy. I also had to learn this!
Trade Diversion (Jonathan Dingel)@TradeDiversion

It is the year 2025 and many economists do not know what Git is. Let's revisit a decade-old classic: web.stanford.edu/~gentzkow/rese…

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Jeremy Horpedahl 🥚📉
Thank you for all these suggestions! BBQ was high on our list already, but we will be making other stuff too Drink recommendations? Alcoholic and non-alcoholic. Preferably punches or drinks that are easily batched.
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Jeremy Horpedahl 🥚📉
A friend of ours recently became a US citizen, and we are making dinner for him this weekend. What's the most all-American meal you can think of?
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Wally Nowinski
Wally Nowinski@Nowooski·
My life would be significantly improved if Amazon could just make good book recommendations.
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Wally Nowinski
Wally Nowinski@Nowooski·
It’s astonishing how bad Amazon is at recommending other books you might like.
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