Happy to release two more DPs. Thanks to Open Philanthropy for financial support! Taylor John Wright replicates "How Much Does Immigration Boost Innovation?" Nikolai M. Cook replicates "Dust Pollution From the Sahara and African Infant Mortality" econpapers.repec.org/paper/zbwi4rdp…

Toronto's Replication Games Call for participants for Toronto's Games on February 22nd, 2023! We are looking for profs, post-docs and PhD students interested in a one-day replication challenge at U of Toronto in Canada. #econtwitter #polsci 🧵 with more details 👇

✨ Just accepted ✨ in JAERE: "Clean Air and Cognitive Productivity: Effect and Adaptation" by Anthony Heyes, Nikolai M. Cook, and Nicholas Rivers. Read it here: journals.uchicago.edu/doi/10.1086/72…

Trending in #Economics: ooir.org/index.php?fiel… 1) Did Craigslist’s Erotic Services Reduce Female Homicide and Rape? (The JHR) 2) Colorism, ethnic origin & intergenerational social mobility 3) Intergenerational mobility around the world: A new database 4) Health

Welcome back, Golden Hawks! 💜💛 Happy first day of class. 🍁

Featured Article - April 2024 issue: ‘p-Hacking, Data type and Data-Sharing Policy’ by Abel Brodeur, Nikolai Cook, Carina Neisser doi.org/10.1093/ej/uea… Nikolai M. Cook Carina Neisser Royal Economic Society @OUPEconomics #EconTwitter

Our first meta paper is out!! This paper combines our first 110 completed reproductions/replications. This is joint work with 350+ amazing coauthors. We summarize our findings below. econpapers.repec.org/paper/zbwi4rdp…

When even lunch tells you to get that manuscript out.

Excited to see our paper published in JPE Micro! “Do Pre-Registration and Pre-Analysis Plans Reduce p-Hacking and Publication Bias?: Evidence from 15,992 Test Statistics and Suggestions for Improvement” w/ Abel Brodeur, Nikolai Cook (Nikolai M. Cook), and Anthony Heyes. A thread🧵

In our latest LCERPA Economics working paper, Nikolai M. Cook (Lazaridis School of Business & Economics) and Taylor John Wright (Brock University) use Chicago gunshot detection data from SoundThinking (formerly ShotSpotter), finding that hotter temperatures lead to more gun crime.

After being alerted about possible misconduct, the I4R are reproducing published papers that use data from a specific NGO (GDRI). This thread releases the first 2 reports and provides more information about the work and responses/statements from authors journals and journals. 🧵

Disregarding the sadness of this story, it’s been great working with this awesome team! Jörg Ankel-Peters Juan P. Aparicio. Gunther Bensch Nikolai M. Cook @FialaLenka Jack Fitzgerald | @jackfitzgerald.bsky.social Niklas Jakobsson Anders Kjelsrud Andreas Kotsadam Essi Kujansuu Derek Mikola Ole Rogeberg JulianRose Michael Wiebe

#GDRI_rep Update 1: I4R are now reproducing all published papers that use data from GDRI (x.com/gdri_research), or are closely related in other ways. Here is a first update on our work. 🧵

CSPC is excited for the launch of Science Meets Parliament - Ontario! Today, we are joined by 30 scientists from across Ontario for a behind the scenes look at the policymaking process at the Legislative Assembly of Ontario #SciParlON2025 #CdnSci

The first edition of Science Meets Parliament - ON was a resounding success! Thank you to the MPPs, delegates, organizers, and sponsors for their contributions to the event. #SciParlON2025 #CdnSci #CdnInnovation

#ICYMI Congratulations to Dr. Nikolai M. Cook, recipient of a 2024 John Charles Polanyi Prize in Economic Science! His work is protecting our economy by exploring how climate change and pollution affect productivity. Edith Dumont Wilfrid Laurier University Nikolai M. Cook

Fascinating new paper shows that papers reporting statistical significance get at least 60% more media attention #econtwitter #econsky: from Brodeur Cook Nikolai M. Cook Taylor John Wright, a short 🧵