The characteristic line of a security or portfolio relates its rate of return to that of a "market portfolio." Several investigators have suggested the desirability of obtaining such a line by ...

A linear programming approximation using the mean absolute deviation can be used to derive efficient E,V farm plans when a suitable quadratic programming computer code is not available. This note ...

In an era driven by complex data, scientists are increasingly encountering information that doesn't lie neatly on flat, ...