Background Physical activity (PA) is important for maintaining health, but there are fundamental unanswered questions on how best it should be measured. Methods We measured PA in the Netherlands ...

Hundreds of contractors working on a project for Meta pretended to be kids in order to see how other chatbots like Gemini and ...

The lines separating traditional state-licensed sportsbooks from federally regulated prediction markets have blurred to the ...

The World Economic Outlook presents the IMF staff's analysis and projections of economic developments at the global level, in major country groups (classified by region, stage of development, etc.), ...

Then , the methods will be illustrated in two applications, Christensen and Greene’s (1976) data on electricity production, which is a standard platform for studying the stochastic frontier model and ...