Frustrated by YouTube feeding him Shorts and advertisements, PewDiePie set out to ‘fix’ the platform’s algorithm with his own AI. YouTube icon Felix ‘PewDiePie’ Kjellberg famously trained his own AI ...

Background Little is known about the association between direct pollen exposure and cognitive performance. The aim of our study is to investigate the effect of pollen exposure on performance in the ...

Cardiovascular disease results in around 20 million deaths worldwide and causes around a quarter of all deaths in the UK. Statins are highly effective drugs that lower LDL (“bad”) cholesterol levels ...

ABSTRACT: Variable selection using penalized estimation methods in quantile regression models is an important step in screening for relevant covariates. In this paper, we present a one-step estimation ...

Two-way fixed effects (TWFE) estimation is the dominant approach for causal inference with panel data. However, recent research shows that standard TWFE can produce biased estimates when treatment ...

There are lots of perks to sticking to a single ecosystem. You get cross-platform sharing and connected features that are so convenient you don’t even want to break out of that bubble. A big reason ...

Economists often rely on estimates of linear fixed effects models developed by other teams of researchers. Assessing the uncertainty in these estimates can be challenging. I propose a form of sample ...

Stroke and depressive symptoms are significant public health concerns worldwide; however, their causal relationship remains unclear. Therefore, there is a need for comprehensive multicountry studies ...

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A shipping loophole exempting small-value packages from tariffs ended at 12:01 a.m. Friday, meaning that packages shipped into the U.S. under $800 are now subject to additional taxes. Earlier this ...