Allison Shertzer's Avatar

Allison Shertzer

@econhist-allday.bsky.social

Economic historian of U.S. cities. Interested in segregation, land use regulation, and affordability over the long run. Views expressed here are my own. Personal website at allisonshertzer.com.

3,004 Followers  |  455 Following  |  86 Posts  |  Joined: 06.11.2024  |  1.7135

Latest posts by econhist-allday.bsky.social on Bluesky

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HPV Vaccination Tied to Huge Reduction in Cervical Cancer Risk Two large meta-analyses reassure on safety, efficacy

HPV Vaccination Tied to Huge Reduction in Cervical Cancer Risk www.medpagetoday.com/hematologyon...

24.11.2025 21:25 β€” πŸ‘ 30    πŸ” 9    πŸ’¬ 0    πŸ“Œ 2
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NYT: β€œ.. high insurance costs are cascading into the broader real estate market, suppressing home values by an average of $44,000 in the top 10 percent of U.S. ZIP codes most vulnerable to hurricanes and wildfires ..”

@nytimes.com
www.nytimes.com/interactive/...

20.11.2025 20:06 β€” πŸ‘ 218    πŸ” 64    πŸ’¬ 14    πŸ“Œ 7
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β€œTicking Time Bomb”: A Pregnant Mother Kept Getting Sicker. She Died After She Couldn’t Get an Abortion in Texas. Walker is one of several women ProPublica found with underlying health conditions who died when they couldn’t access abortions.

NEW:

In 2024, Tierra Walker was sick and getting sicker. She was also pregnant.

She knew abortion was illegal in Texas, but thought there was an exception for women like her, whose health was at risk. Doctors told her there was no emergency.

Then she died.

www.propublica.org/article/texa...

19.11.2025 11:08 β€” πŸ‘ 2428    πŸ” 1254    πŸ’¬ 56    πŸ“Œ 122
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πŸš€ I'm on the #EconSky Job Market!

My JMP asks a classic question:
Do large, dominant firms foster or hinder innovation?

To study this, I turn to the Great Merger Wave (1895–1904), when >2,600 U.S. firms combined into corporate giants like U.S. Steel and DuPont.

A JMP πŸ§΅πŸ‘‡ (1/13)

11.11.2025 19:55 β€” πŸ‘ 75    πŸ” 32    πŸ’¬ 2    πŸ“Œ 8

I feel like there are very few econ vanity plates in circulation (we're not funny as a field) so it would be a small meet up but yes!

08.11.2025 15:32 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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After 15 years together, it was time to refresh DRECON.

08.11.2025 14:24 β€” πŸ‘ 24    πŸ” 1    πŸ’¬ 3    πŸ“Œ 0

Rick, you dropped this. πŸ‘‘

Seriously what an incredible data project!

06.11.2025 22:24 β€” πŸ‘ 8    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
Post image 31.10.2025 22:06 β€” πŸ‘ 1199    πŸ” 262    πŸ’¬ 33    πŸ“Œ 32
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This Day in Labor History: October 26, 1825. The Erie Canal opened, eight years after construction commenced. This engineering marvel would have enormous impacts on the future of American work, including spurring ever-greater industrialization. It also killed over 1,000 workers building it!

26.10.2025 12:55 β€” πŸ‘ 204    πŸ” 66    πŸ’¬ 3    πŸ“Œ 6

Hahahaha so few cases these days

24.10.2025 20:38 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
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Column | The cities where home prices have changed the most (and least) over the past 130 years Did your grandparents and great-grandparents really pay less for their homes than you did, even after inflation? The Department of Data might have the answer.

Thrilled to work with @andrewvandam.bsky.social on this piece!

wapo.st/46ZuESX

20.10.2025 13:12 β€” πŸ‘ 9    πŸ” 4    πŸ’¬ 1    πŸ“Œ 1
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The Price of Housing in the United States, 1890–2006* Abstract. We construct the first annual market rent and home sales price series for American cities over the 20th century using 2.7 million newspaper real

Recently accepted by #QJE, β€œThe Price of Housing in the United States, 1890–2006,” by Lyons (@ronanlyons), Shertzer (@econhist-allday), Gray (@econhistoryorbust), and Agorastos: doi.org/10.1093/qje/...

16.10.2025 17:58 β€” πŸ‘ 23    πŸ” 7    πŸ’¬ 0    πŸ“Œ 0
A chart showing measured and corrected total factor productivity growth in various sectors of US manufacturing.

Manufacturing is a locus of innovation, yet standard industry data show manufacturing productivity stagnating in the US. This column argues that standard measurements understate true productivity growth in the sector, especially in industries where it is difficult to track changes in quality growth. Comparing producer and consumer price indexes, the authors show that β€˜missing’ quality growth in standard industry output deflators is substantial in manufacturing and results in total factor productivity growth being understated. This is heavily driven by the Computer and Electronic Products industry, which is highly innovative and produces goods that have rapid turnover in product characteristics.

A chart showing measured and corrected total factor productivity growth in various sectors of US manufacturing. Manufacturing is a locus of innovation, yet standard industry data show manufacturing productivity stagnating in the US. This column argues that standard measurements understate true productivity growth in the sector, especially in industries where it is difficult to track changes in quality growth. Comparing producer and consumer price indexes, the authors show that β€˜missing’ quality growth in standard industry output deflators is substantial in manufacturing and results in total factor productivity growth being understated. This is heavily driven by the Computer and Electronic Products industry, which is highly innovative and produces goods that have rapid turnover in product characteristics.

@enghin-atalay.bsky.social, Ali Hortacsu, Nicole Kimmel, & Chad Syverson argue that standard measurements understate true #productivity growth in the US #manufacturing sector, especially in industries were it is difficult to track changes in quality growth.
cepr.org/voxeu/column...
#EconSky

14.10.2025 07:37 β€” πŸ‘ 4    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0

Mokyr's work could not have been done today in most economics departments, but the irony is that his work would not fit in history departments today, either. Methodologically he seems more 'history' than 'economics' to economists, but the content and reasoning are too 'economics' for most historians

13.10.2025 13:55 β€” πŸ‘ 68    πŸ” 18    πŸ’¬ 6    πŸ“Œ 1
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101 things we now know about US housing markets (Part IV) World War I and the Roaring Twenties

Ronan is dropping more facts about the U.S. housing market over time and space using the HHP dataset:

ronanlyons.substack.com/p/101-things...

15.09.2025 17:53 β€” πŸ‘ 6    πŸ” 4    πŸ’¬ 0    πŸ“Œ 0

The big story here is of an agency of dedicated statisticians and public servants working tirelessly to improve economic data in a climate of budgetary cuts to data collection. They have been very innovative in meeting that mandate. But we should also just fund our economic infrastructure.

09.09.2025 16:27 β€” πŸ‘ 121    πŸ” 30    πŸ’¬ 2    πŸ“Œ 0

Help my colleague find all the ways in which his work is reaching your students!

12.08.2025 15:13 β€” πŸ‘ 1    πŸ” 1    πŸ’¬ 2    πŸ“Œ 0

Yes! We talk about this a lot in the updated working paper (on my website).

17.07.2025 19:35 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

Yes, the indices were revised. We collected additional data and improved the specification as part of the peer review process. So you should use the V2 version from now on. Thank you for asking.

17.07.2025 19:03 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 2    πŸ“Œ 0

No way he got stuck in an airport and had to present from there??

16.07.2025 20:50 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
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Examining the effects of public debt on municipal services and real outcomes during financial crises using data on US cities from 1924 to 1943, from Pawel Janas https://www.nber.org/papers/w34011

16.07.2025 17:00 β€” πŸ‘ 3    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0
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Historical Housing Prices Project The Historical Housing Prices (HHP) Project at the Philadelphia Fed provides new data on the price of housing for sale and for rent over the 20th century using the real estate sections of historical n...

New release for the HHP project. We now have rent and sales price indexes for 30 cities along with rental yields, capital gains, and housing returns for the years 1890-2006. Online data viz tools and download here:

www.philadelphiafed.org/surveys-and-...

16.07.2025 13:02 β€” πŸ‘ 80    πŸ” 22    πŸ’¬ 3    πŸ“Œ 6
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One of the most surprising details in the latest CPI: an increasing share of price data was estimated, not observed.

In June, over 1/3 of #CPI imputations came from other items or locations likely due to budget cuts and staffing shortages at BLS.

We can’t fight #inflation without reliable data.

15.07.2025 16:34 β€” πŸ‘ 65    πŸ” 30    πŸ’¬ 3    πŸ“Œ 7

I've been teaching her myself for the past few years!

08.07.2025 02:04 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

I'm so glad this post made its way to the music theorists 🀣

08.07.2025 00:07 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Center for the Restoration of Economic Data (CREED) Welcome to CREED (Center for the REstoration of Economic Data). CREED advances research in many fields, including topics in regional economics and consumer finance, by converting information in books,...

For more info on what we do, see www.philadelphiafed.org/consumer-fin...

My personal website is linked in my bio.

07.07.2025 18:29 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Research Assistant/Sr. Research Assistant Company Federal Reserve Bank of Philadelphia Job Description Summary Research assistants (RAs) at the Philadelphia Fed play a key role in the Economic Research Department. Whether they are helping eco...

I am looking for a research assistant to work with me on the development of U.S. housing markets. Experience with ArcGIS, Stata useful. We build datasets that allow us to understand housing affordability, the impacts of transit and zoning, and more:
rb.wd5.myworkdayjobs.com/en-US/FRS/jo...

07.07.2025 18:29 β€” πŸ‘ 27    πŸ” 18    πŸ’¬ 3    πŸ“Œ 1

It actually works, with a musical question and answer. ❀️❀️❀️

07.07.2025 17:18 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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My 9 yo composed a song about me. πŸ₯Ή

06.07.2025 21:37 β€” πŸ‘ 385    πŸ” 15    πŸ’¬ 25    πŸ“Œ 1

How was this in the bargain bin??

01.07.2025 20:52 β€” πŸ‘ 79    πŸ” 4    πŸ’¬ 3    πŸ“Œ 1

@econhist-allday is following 20 prominent accounts