Bitsy Perlman
@bitsyperlman.bsky.social
Economic Historian at the Census. 19th & 21st C innovation, sci of sci, urban/spatial, info spread. All views are my own or expressed for rhetorical exposition. Posts before 2025 were imported. (they/them)
Brookline, MA
Brookline, MA
You have to look closely but the is a falcon high up in the tree, and a squirrel low down. They were very focused on each other
October 27, 2025 at 1:23 AM
You have to look closely but the is a falcon high up in the tree, and a squirrel low down. They were very focused on each other
I think they are wondering what they are supposed to be doing in Union Station too:
August 26, 2025 at 12:30 PM
I think they are wondering what they are supposed to be doing in Union Station too:
I'd be fascinated if someone did a randomized trial of this: inserting or deleting relevant citations and then seeing how much friendly reviewers are to the articles
osf.io/preprints/os...
osf.io/preprints/os...
August 16, 2025 at 6:30 PM
I'd be fascinated if someone did a randomized trial of this: inserting or deleting relevant citations and then seeing how much friendly reviewers are to the articles
osf.io/preprints/os...
osf.io/preprints/os...
Speaking of, I've had limited time to learn my new hobby:
July 30, 2025 at 1:48 PM
Speaking of, I've had limited time to learn my new hobby:
I've not had one trip to DC in the last two months where travel has gone smoothly. Last time they cancelled my flight I managed to add a ferry to my trip, however.
July 9, 2025 at 2:25 AM
I've not had one trip to DC in the last two months where travel has gone smoothly. Last time they cancelled my flight I managed to add a ferry to my trip, however.
I showed my partner (a physicist) a graph of the stock market today—"I know what that is: that's an undamped oscillator!"
Not how I ever want to hear any economic data described
Not how I ever want to hear any economic data described
April 8, 2025 at 2:42 AM
I showed my partner (a physicist) a graph of the stock market today—"I know what that is: that's an undamped oscillator!"
Not how I ever want to hear any economic data described
Not how I ever want to hear any economic data described
Evoking Subaru owners...
April 7, 2025 at 4:33 PM
Evoking Subaru owners...
"Our research would suggest that, yes, there are going to be impacts, and they're likely to fall on the people who are the most vulnerable."
February 13, 2025 at 1:37 PM
"Our research would suggest that, yes, there are going to be impacts, and they're likely to fall on the people who are the most vulnerable."
The pandemic highlighted that even though we often think of science as a long, incremental process, speed and urgency can really matter for scientific progress.
January 23, 2025 at 5:43 PM
The pandemic highlighted that even though we often think of science as a long, incremental process, speed and urgency can really matter for scientific progress.
If you remain in the US (and therefore we can see your earnings), you also earn less
(yeah we know this conditions on post-treatment outcomes. not ideal, but it's important and we try to discuss carefully)
(yeah we know this conditions on post-treatment outcomes. not ideal, but it's important and we try to discuss carefully)
January 23, 2025 at 5:43 PM
If you remain in the US (and therefore we can see your earnings), you also earn less
(yeah we know this conditions on post-treatment outcomes. not ideal, but it's important and we try to discuss carefully)
(yeah we know this conditions on post-treatment outcomes. not ideal, but it's important and we try to discuss carefully)
So what happens if funding for the lab you work in was delayed? We see an immediate and persistent increase (left) in the likelihood that you become "nonemployed", i.e. no longer appear in US tax data.
If you were part of a richer lab (right), that cushions the blow
If you were part of a richer lab (right), that cushions the blow
January 23, 2025 at 5:43 PM
So what happens if funding for the lab you work in was delayed? We see an immediate and persistent increase (left) in the likelihood that you become "nonemployed", i.e. no longer appear in US tax data.
If you were part of a richer lab (right), that cushions the blow
If you were part of a richer lab (right), that cushions the blow
We're able to link funding delays to labor market outcomes using some v cool data that connects grant expenditures all the way to tax and unemployment insurance records. This means labor market histories across all occupations - faculty, postdocs, grad students, staff
January 23, 2025 at 5:43 PM
We're able to link funding delays to labor market outcomes using some v cool data that connects grant expenditures all the way to tax and unemployment insurance records. This means labor market histories across all occupations - faculty, postdocs, grad students, staff
January 23, 2025 at 5:43 PM
I am submitting for the as yet unannounced #Econ5k Cross-Country Ski category.
PS - the Dartmouth Cross-Country Ski Track is brutally hilly. Top elevation: 575', bottom: 415'. Groomed man-made snow is really slippery. I fell many times.
PS - the Dartmouth Cross-Country Ski Track is brutally hilly. Top elevation: 575', bottom: 415'. Groomed man-made snow is really slippery. I fell many times.
December 28, 2024 at 1:14 AM
I am submitting for the as yet unannounced #Econ5k Cross-Country Ski category.
PS - the Dartmouth Cross-Country Ski Track is brutally hilly. Top elevation: 575', bottom: 415'. Groomed man-made snow is really slippery. I fell many times.
PS - the Dartmouth Cross-Country Ski Track is brutally hilly. Top elevation: 575', bottom: 415'. Groomed man-made snow is really slippery. I fell many times.
December 13, 2024 at 5:59 AM
how single units* respond though out the year. For instance, here are the exit rates in Q2-Q4 by year.
December 13, 2024 at 5:59 AM
how single units* respond though out the year. For instance, here are the exit rates in Q2-Q4 by year.
Bottom right.
Last night I was reflecting that maybe the link between the ability (right) to have a say in how you are governed be expanded from noble inheritance and freedom for self-determination is more profound than we often reflect on.
-> Voting!
Last night I was reflecting that maybe the link between the ability (right) to have a say in how you are governed be expanded from noble inheritance and freedom for self-determination is more profound than we often reflect on.
-> Voting!
December 13, 2024 at 5:58 AM
Bottom right.
Last night I was reflecting that maybe the link between the ability (right) to have a say in how you are governed be expanded from noble inheritance and freedom for self-determination is more profound than we often reflect on.
-> Voting!
Last night I was reflecting that maybe the link between the ability (right) to have a say in how you are governed be expanded from noble inheritance and freedom for self-determination is more profound than we often reflect on.
-> Voting!
December 13, 2024 at 5:56 AM
The best part of my yesterday maybe was running over the Mass Ave Bridge with MIT just starting to come into view when this song (not planned) came up on my play list.
youtube.com/watch?v=jM_1dL…
youtube.com/watch?v=jM_1dL…
December 13, 2024 at 5:56 AM
The best part of my yesterday maybe was running over the Mass Ave Bridge with MIT just starting to come into view when this song (not planned) came up on my play list.
youtube.com/watch?v=jM_1dL…
youtube.com/watch?v=jM_1dL…
Percent (as a percent of the industry) Employment Change By Industry and Sex, Aug 2019 to Aug 2022
December 13, 2024 at 5:56 AM
Percent (as a percent of the industry) Employment Change By Industry and Sex, Aug 2019 to Aug 2022
Since I had reason to make this graph I thought other people might find it interesting #jobsreport
Employment Change By Industry and Sex, Aug 2019 to Aug 2022
Employment Change By Industry and Sex, Aug 2019 to Aug 2022
December 13, 2024 at 5:55 AM
Since I had reason to make this graph I thought other people might find it interesting #jobsreport
Employment Change By Industry and Sex, Aug 2019 to Aug 2022
Employment Change By Industry and Sex, Aug 2019 to Aug 2022
Hey #econtwitter:
If you were going to ask someone about the fall in women's labor force participation among women age 25-54 over the last 20+ years, who would you talk to? Focusing on what would draw people back?
It's concentrated among edu
![]()
If you were going to ask someone about the fall in women's labor force participation among women age 25-54 over the last 20+ years, who would you talk to? Focusing on what would draw people back?
It's concentrated among edu
December 13, 2024 at 5:55 AM
Hey #econtwitter:
If you were going to ask someone about the fall in women's labor force participation among women age 25-54 over the last 20+ years, who would you talk to? Focusing on what would draw people back?
It's concentrated among edu
If you were going to ask someone about the fall in women's labor force participation among women age 25-54 over the last 20+ years, who would you talk to? Focusing on what would draw people back?
It's concentrated among edu
December 13, 2024 at 5:55 AM
English
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