Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Eric's career includes extensive work in ...

This paper studies the equilibrium and welfare implications of quantitative trade models with sector-level external economies of scale (EES). While empirical evidence highlights the importance of EES, ...

Abstract: This paper explores a novel class of event-triggered mechanisms for nonlinear systems utilizing output-feedback control. Initially, an output-feedback state observer is designed to estimate ...

In this sports thriller, Timothée Chalamet plays Marty Mauser, a New York tennis table prodigy, navigating tension, social satire, and the extremes of competition. Gwyneth Paltrow, Odessa A’zion, and ...