Abstract: The mean and variance of portfolio returns are the standard quantities to measure the expected return and risk of a portfolio. Efficient portfolios that provide optimal trade-offs between ...

Discover how coskewness measures security risk and its role in portfolio analysis for better investment decisions.

There are fundamental differences between liberals and conservatives -- and certainly MAGA adherents -- on what are "American values." But for both liberal and conservative pundits, the term connotes ...

Abstract: Traditional electrical power grids are transitioning from centralised operation with unidirectional energy and information flows (from the generation domain to customers) to smart grids with ...

The U.S. Capitol is seen past American flags on the National Mall, Friday, June 6, 2025, on the National Mall in Washington. There are fundamental differences between liberals and conservatives—and ...