Understanding the difference between direct costs and indirect costs is crucial for anyone running a business. This knowledge helps in accurately tracking expenses, setting prices, and maximizing ...

We examine bootstrap procedures as another way to generate standard errors and confidence intervals and to estimate the sampling distributions of estimators of direct and indirect effects. We ...

We consider the problem of separating the direct effects of an exposure from effects relayed through an intermediate variable (indirect effects). We show that adjustment for the intermediate variable, ...

Prime Minister Narendra Modi, in a powerful address at the 17th BRICS Summit in Rio de Janeiro, called for terrorism to be condemned as a matter of principle, not convenience. He condemned the ...

As indirect evidence accumulates ... But in practice, China is allied with Pakistan. And the direct military support it has provided to Lahore appears driven by China’s desire to curb India’s regional ...

A bilirubin test can help diagnose or monitor problems in your blood or liver. Learn why you might need the test and what your doctor can learn from the results.

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These essays come from those who know these moments best, either through their direct participation as former ACLU leaders, their personal connection to the issues, or their historical expertise in ...

Project 2025 includes a long list of extreme policy recommendations touching on nearly every aspect of American life, from immigration and abortion rights, to free speech and racial justice. A number ...

Ten charts illustrate the extraordinary level of support the United States has provided Ukraine in its war against Russian invaders.

Breaking science news and articles on global warming, extrasolar planets, stem cells, bird flu, autism, nanotechnology, dinosaurs, evolution -- the latest discoveries ...