Nikolai M. Cook
@nikolaimcook
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Assistant Professor of Economics @LazaridisSchool @Laurier
Waterloo, Ontario
Joined March 2012
Fascinating new paper shows that papers reporting statistical significance get at least 60% more media attention #econtwitter #econsky: from Brodeur Cook @nikolaimcook @taylor_wright, a short 🧵
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#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. @LGOntario
@Laurier
@nikolaimcook
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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
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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
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#GDRI_rep Update 1: I4R are now reproducing all published papers that use data from GDRI ( https://t.co/BJFGHzOcnb), or are closely related in other ways. Here is a first update on our work. 🧵
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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. 🧵
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Disregarding the sadness of this story, it’s been great working with this awesome team! @jrgptrs @PosadaAparicio @gunther_bensch @nikolaimcook @FialaLenka @FitzgeraldJack_ @nikljako @AndersKjelsrud @kotsadam @EssiEconomist @DerekMikola @olerogeberg @Rose__Julian @michael_wiebe
HUGE thanks to our 15+ replicators who have been working on this project for 3 months now. They are not paid, and this is all pro bono. Their work should get published as comments! It has been a pleasure working with you all. And somehow this feels like the beginning!
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In our latest @LCERPA_EconWLU working paper, @nikolaimcook (@LazaridisSchool) and @taylor_wright (@BrockUniversity) use Chicago gunshot detection data from @soundthinking_, finding that hotter temperatures lead to more gun crime.
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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 (@nikolaimcook), and Anthony Heyes. A thread🧵
The August issue of JPE Micro is now available online at https://t.co/mgEaOUqPjF.
#EconTwitter
@ChicagoJournals
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Featured Article - April 2024 issue: ‘p-Hacking, Data type and Data-Sharing Policy’ by Abel Brodeur, Nikolai Cook, Carina Neisser https://t.co/5G4NFVKGDt
@nikolaimcook @NicerCarina @RoyalEconSoc @OUPEconomics #EconTwitter
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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. https://t.co/L2YwDDFMcE
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Welcome back, Golden Hawks! 💜💛 Happy first day of class. 🍁
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Trending in #Economics: https://t.co/AaIqkwiOZS 1) Did Craigslist’s Erotic Services Reduce Female Homicide and Rape? (@J_HumanResource) 2) Colorism, ethnic origin & intergenerational social mobility 3) Intergenerational mobility around the world: A new database 4) Health
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✨ Just accepted ✨ in @JaereAere: "Clean Air and Cognitive Productivity: Effect and Adaptation" by Anthony Heyes, @nikolaimcook, and Nicholas Rivers. Read it here:
journals.uchicago.edu
Abstract We observe 1.8 million university course grades for 88,959 adults who learn and complete examinations in a much less polluted environment than previously studied. We use a within-student...
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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 👇
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Happy to release two more DPs. Thanks to @open_phil for financial support! @taylor_wright replicates "How Much Does Immigration Boost Innovation?" @nikolaimcook replicates "Dust Pollution From the Sahara and African Infant Mortality" https://t.co/uPQ6b5YmbM
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These and other cool results (such as the author-provided excuses for why they cannot share their data or whether authors that provide data on their websites are any different) can be found here 👉 https://t.co/dbrrLl6SmP 👈
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Speaking of p-hackers possibly being detected, we don't find that administrative data, which might be the hardest for a later researcher to get hold of, performs pretty well compared to other data types!
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But does this increased potential detection of p-hacking (by later researchers perhaps using the shared data) affect whether it is present? Multiple tests find no difference.
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