# This R script applies the Local Projections Difference-in-Differences (LP-DiD) estimator in a simulated example dataset. # Related paper: Dube, Girardi, Jorda and Taylor (2025) "A Local Projections ...

Abstract: In this work, we extend the simplex algorithm of linear programming for finding a local minimum of a concave quadratic function subject to box constraints. In order to test the performance ...

Five years ago, mathematicians Dawei Chen and Quentin Gendron were trying to untangle a difficult area of algebraic geometry involving differentials, elements of calculus used to measure distance ...

Abstract: The Nelder-Mead simplex method is a well-known algorithm enabling the minimization of functions that are not available in closed-form and that need not be differentiable or convex.

Neurological diseases affect the nervous system, including the brain, spinal cord, and peripheral nerves that carry signals throughout your body. These conditions can disrupt movement, thinking, mood, ...

St. John's University fired its basketball program's general manager, Matt Abdelmassih, this week. He was reportedly managing a $10 million roster. St. John's University spent $10 million on its ...

ORLANDO, Florida, Aug 27 (Reuters) - There is legitimate debate about the actual independence of modern-day central banks, but almost everyone agrees that overt politicization of monetary policy – as ...

"We have improved @Grok significantly," Elon Musk wrote on X last Friday about his platform's integrated artificial intelligence chatbot. "You should notice a difference when you ask Grok questions." ...

On New Year’s Day, a truck rammed into a crowd in New Orleans, killing at least 14 people and injuring dozens more. The suspect, identified as 42-year-old Shamsud Din Jabbar, a United States citizen ...

All people, including those who are neurodevelopmentally atypical, have at least some personal strengths and social network resources. These can be amplified and leveraged as they work toward behavior ...

AI thrives on data but feeding it the right data is harder than it seems. As enterprises scale their AI initiatives, they face the challenge of managing diverse data pipelines, ensuring proximity to ...

The ChatGPT maker reveals details of what’s officially known as OpenAI o1, which shows that AI needs more than scale to advance. The new model, dubbed OpenAI o1, can solve problems that stump existing ...