CORRELATION has published a new brief report entitled “Fisman et al.’s Psi (Ψ) index is ill-defined and leads to absurd interpretations” authored by Joseph Hickey and Denis G. Rancourt. The report shows that modeling claims, based on a novel mathematical construction (Ψ), that unvaccinated people disproportionately contribute to the infection risk of vaccinated people are… Continue reading Fisman et al.’s Psi (Ψ) index is ill-defined and leads to absurd interpretations
Tag: Canada
Quantitative evaluation of whether the Nobel-Prize-winning COVID-19 vaccine actually saved millions of lives
Update 2025-09-20: This article is now available on Zenodo Update 2025-02-18: This article is now available on Authorea preprints CORRELATION has published a new report entitled “Quantitative evaluation of whether the Nobel-Prize-winning COVID-19 vaccine actually saved millions of lives” authored by Denis G. Rancourt and Joseph Hickey. The paper examines recent theoretical scenarios predicting lives… Continue reading Quantitative evaluation of whether the Nobel-Prize-winning COVID-19 vaccine actually saved millions of lives
Proof that Canada’s COVID-19 mortality statistics are incorrect
Update 2025-09-24: This article is now available on Zenodo Correlation researcher Denis Rancourt and co-authors Marine Baudin and Jérémie Mercier have published a new report on Canada’s COVID-19 mortality statistics. In the report, the authors estimate the number of excess deaths over the COVID-19 period, using all-cause mortality data. Their analysis raises important questions about… Continue reading Proof that Canada’s COVID-19 mortality statistics are incorrect