Christian Zimmermann

@czimm-economist.bsky.social

1.4K followers 150 following 540 posts

Economics information economist informing economists. St. Louis Fed-FRED-RePEc-IDEAS-RED-EDIRC.
Homepage: https://ideas.repec.org/zimm/
RePEc profile: https://ideas.repec.org/e/pzi1.html#person

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Economics 55%

Political science 12%

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Christian Zimmermann @czimm-economist.bsky.social · Jan 23

A quick thread on how RePEc serves you on Bluesky:

1/ You can add your Bluesky handle in your author profile. It will then be listed on your IDEAS page and wherever your name appears on IDEAS.

authors.repec.org

#RePEc #EconSky

RePEc Author Service

authors.repec.org

Christian Zimmermann @czimm-economist.bsky.social · 50m

RePEc Blog:

RePEc in October 2025

blog.repec.org/2025/11/11/r...

@RePEc #EconSky

RePEc in October 2025

This past month was unusual because both IDEAS and EconPapers saw a doubling of there traffic compared to the previous month. We expose in a separate blog post why one could have doubts that this i…

blog.repec.org

Christian Zimmermann @czimm-economist.bsky.social · 1d

RePEc Blog:

AI issues in RePEc

blog.repec.org/2025/11/10/a...

#RePEc #EconSky

AI issues in RePEc

Over the past year, various RePEc services have been struggling with issues stemming from artificial intelligence robots (AI bots), and this post is a short summary of what happening and where we s…

blog.repec.org

Christian Zimmermann @czimm-economist.bsky.social · 1d

FRED Blog:

Has the US dollar weakened?
Comparing the dollar against the world's currencies

fredblog.stlouisfed.org/2025/11/has-...

Has the US dollar weakened? | FRED Blog

fredblog.stlouisfed.org

Christian Zimmermann @czimm-economist.bsky.social · 1d

But Referee 2 disagrees...

Christian Zimmermann @czimm-economist.bsky.social · 1d

I am glad to see that even Australians confuse Austria and Australia.

Christian Zimmermann @czimm-economist.bsky.social · 4d

We are still working on cleaning the data for the October RePEc statistics. A blog post next week will explain the situation.

#RePEc #EconSky

Christian Zimmermann @czimm-economist.bsky.social · 5d

FRED Blog:

1111
The FRED Blog's 1111th post

fredblog.stlouisfed.org/2025/11/1111/

1111 | FRED Blog

fredblog.stlouisfed.org

Christian Zimmermann @czimm-economist.bsky.social · 5d

Much like authors, publishers also get a monthly email with #RePEc statistics. It includes errors and warnings about their metadata and results from a link checker run. We cannot find content errors and omissions, but you can help, their email address is listed on the relevant RePEc pages. #EconSky

Christian Zimmermann @czimm-economist.bsky.social · 5d

You may want to add your webinars to the Economics Virtual Seminar Calendar:

ideas.repec.org/v/

Economics Virtual Seminar Calendar | IDEAS/RePEc

ideas.repec.org

Christian Zimmermann @czimm-economist.bsky.social · 6d

There are no plans to integrate AI in RePEc. We only offer real metadata from the publishers.

#RePEc #EconSky

Christian Zimmermann @czimm-economist.bsky.social · 7d

The monthly RePEc statistics will be delayed. The cleaning of the data requires much more work than usual, and once again we can thank the AI bots.

#RePEc #EconSky

Christian Zimmermann @czimm-economist.bsky.social · 8d

FRED Blog:

Managing interest rates for monetary policy
Fed rates, market rates, and the target range

fredblog.stlouisfed.org/2025/11/mana...

Managing interest rates for monetary policy | FRED Blog

fredblog.stlouisfed.org

Christian Zimmermann @czimm-economist.bsky.social · 8d

Some publishers include author short-IDs in their RePEc metadata, but in general authors need to recognize and claim their works to add them to their RePEc profile.

authors.repec.org

#RePEc #EconSky

RePEc Author Service

authors.repec.org

Christian Zimmermann @czimm-economist.bsky.social · 11d

Scary, we are already at the end of another month. Make sure your RePEc profile is up-to-date with your latest works for the monthly statistics.

authors.repec.org

#RePEc #EconSky

RePEc Author Service

authors.repec.org

Christian Zimmermann @czimm-economist.bsky.social · 11d

FRED Blog:

Candy prices in eurozone countries

fredblog.stlouisfed.org/2025/10/cand...

Candy prices in eurozone countries | FRED Blog

fredblog.stlouisfed.org

Christian Zimmermann @czimm-economist.bsky.social · 14d

A search for "COVID" gives over 90,000 results on IDEAS

ideas.repec.org/search.html

#RePEc #econsky

Search on IDEAS

IDEAS is a central index of economics research, including working papers, articles and software code

ideas.repec.org

Christian Zimmermann @czimm-economist.bsky.social · 15d

FRED Blog:

Demystifying the producer price index
What's the difference between CPI and PPI?

fredblog.stlouisfed.org/2025/10/demy...

Demystifying the producer price index | FRED Blog

fredblog.stlouisfed.org

Reposted by Paul Goldsmith-Pinkham, Bartosz Bartkowski

Christian Zimmermann @czimm-economist.bsky.social · 15d

From the Elsevier website:

"Authors can share their accepted manuscript:
Immediately:
[...]
By updating a preprint in arXiv or RePEc with the accepted manuscript (and updating the license to a CC BY-NC-ND license)"

www.elsevier.com/about/polici...

#RePEc #EconSky #arxiv

Journals article sharing | Elsevier policy

Authors who publish in Elsevier journals can share their research in several ways, depending on the article version you wish to share

www.elsevier.com

Christian Zimmermann @czimm-economist.bsky.social · 17d

I hear some recent policies should be reducing housing prices in the DC area.

Christian Zimmermann @czimm-economist.bsky.social · 18d

I call that Adam Smith moments.

Christian Zimmermann @czimm-economist.bsky.social · 19d

Does this release table help?

fred.stlouisfed.org/release/tabl...

2025-10-15, Release Tables: Table 5. Consolidated Statement of Condition of All Federal Reserve Banks | FRED | St. Louis Fed

Release Table for 2025-10-15, Release Tables: Table 5. Consolidated Statement of Condition of All Federal Reserve Banks. FRED: Download, graph, and track economic data.

fred.stlouisfed.org

Christian Zimmermann @czimm-economist.bsky.social · 19d

FRED Blog:

A look at the Fed’s liabilities

fredblog.stlouisfed.org/2025/10/a-lo...

A look at the Fed’s liabilities | FRED Blog

fredblog.stlouisfed.org

Reposted by Iikka Korhonen

Christian Zimmermann @czimm-economist.bsky.social · 19d

RePEc was created by economists in 1997 (based on predecessors dating back to 1992) to enhance the free dissemination of working papers (preprints) in economics. It remains a a free service managed by economists for economists (and the general public).

repec.org

#RePEc #EconSky #OAweek

RePEc: Research Papers in Economics

RePEc is a central index of economics research, including working papers, articles and software code

repec.org

Reposted by Klaus F. Zimmermann

Christian Zimmermann @czimm-economist.bsky.social · 20d

We continue rewriting many of the scripts running RePEc services. If anything is amiss, even a typo, please tell! For publisher content, complaints should go to the publisher contact listed on the relevant pages.

#RePEc #EconSky

Christian Zimmermann @czimm-economist.bsky.social · 21d

This year's International Open Access Week theme is about the research community owning its knowledge. RePEc is a perfect example: a bibliographic initiative by economists for economists created to help disseminate open access works.

repec.org

#RePEc #EconSky #OAweek

RePEc: Research Papers in Economics

RePEc is a central index of economics research, including working papers, articles and software code

repec.org

Christian Zimmermann @czimm-economist.bsky.social · 22d

FRED Blog:

Newly added data about work from home

fredblog.stlouisfed.org/2025/10/newl...

Newly added data about work from home | FRED Blog

fredblog.stlouisfed.org

Christian Zimmermann @czimm-economist.bsky.social · 22d

The AWS outage has had no impact on RePEc services except some emails failing to be sent.

#RePEc #EconSky

Christian Zimmermann @czimm-economist.bsky.social · 25d

FRED Blog:

Cost-of-living changes for Social Security
How SSA uses CPI-W for COLAs

fredblog.stlouisfed.org/2025/10/cost...

Cost-of-living changes for Social Security | FRED Blog

fredblog.stlouisfed.org

Christian Zimmermann @czimm-economist.bsky.social · 25d

Are you organizing an online seminar in economics? Then make sure it is listed on the Virtual Economics Seminar Calendar. And do it early, every Sunday MyIDEAS subscribers can get notified about those in their field.

ideas.repec.org/v/

#RePEc #EconSky

Economics Virtual Seminar Calendar | IDEAS/RePEc

ideas.repec.org

Christian Zimmermann @czimm-economist.bsky.social · 27d

IDEAS served 401 million page views in September 2025. We deem over 99.5% of that to be robotic. This shows the extend of the resources AI bots put on others.

ideas.repec.org

#RePEc #EconSky #ai

Economics and Finance Research | IDEAS/RePEc

IDEAS is a central index of economics and finance research, including working papers, articles and software code

ideas.repec.org

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