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Wojtek Kopczuk
Economist, I work on tax policy and/or inequality topics. Professional skeptic. If vowels are missing, the tweet is in Polish. Editor of J. of Public Economics.
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Wojtek Kopczuk Feb 14
Ahem... Assuming that over 50% of roses are red (a reasonable guess), the median rose is red regardless of how you order colors
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Wojtek Kopczuk Feb 14
"A median rose is red..."
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Wojtek Kopczuk Feb 14
.Roses are red Anything can follow here, because the premise is false
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Wojtek Kopczuk Feb 13
Here is how this approach fails in Norway after 2005 when firms started to retain a lot
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Wojtek Kopczuk Feb 13
Oh, I'm aware of that but they rely on dividends to do so and almost by definition can't do a good job for firms that retain a lot of earnings. It didn't matter recently because small C Corps were not a big issue
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Wojtek Kopczuk Feb 13
Rejoice - less income on individual tax returns, measured inequality will fall
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Wojtek Kopczuk Feb 13
Replying to @graykimbrough
Plus, anecdotally, I know people who extended their "studying" as the result of prioritizing gaming
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Wojtek Kopczuk Feb 13
Replying to @graykimbrough
Why would you exclude students? The composition effect may be part of this dynamics in the early to mid 20s
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Wojtek Kopczuk Feb 12
Replying to @dylanmatt
Nothing short of embarrassing. Apologies for my (in the same sense that Trump represents yours) government
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Wojtek Kopczuk Feb 12
Replying to @dylanmatt
Easily implementable ad hoc solution by exempting from sales or VAT tax (effectively, status quo) but good luck if you want to get the rate exactly right
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Wojtek Kopczuk retweeted
Noah Smith Feb 11
Replying to @Noahpinion
8/By a 2-to-1 margin, Americans do NOT believe that undocumented immigrants take jobs away from native-born Americans. SORRY, BORJAS!!
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Wojtek Kopczuk Feb 11
It's literally one of the questions on the US citizenship test
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Wojtek Kopczuk Feb 11
I read it and I share your angst about the lack of enlightened antitrust
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Wojtek Kopczuk Feb 11
One should always bundle the desire to save the world with fresh produce. It's Econ -101.
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Wojtek Kopczuk Feb 9
Replying to @walidgellad
It could also be the always prolific Et al.
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Wojtek Kopczuk Feb 6
Replying to @JHWeissmann
Wrong record, but it works - models do not need to be right, they just need to be useful
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Wojtek Kopczuk Feb 6
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Wojtek Kopczuk Feb 5
Replying to @swinshi
Possibly rational if she accounts for ex post regret
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Wojtek Kopczuk Feb 5
Replying to @chtraxler
Where is it? That's not Berlin, is it? The peak in the background looks appealing, the slope in the front looks like a nice avalanche to come...
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Wojtek Kopczuk retweeted
C:\temp\ Feb 3
Replying to @BryceElder
You will have seen the recent plunge in the price of Bitcoin. This was triggered by Bolgakov last week upgrading to an NVidia GeForce® GTX 1080 Ti, which can play Quake III in max resolution at 60fps with all the lighting and textures enabled.
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