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 ...

How They Differ and Practical Uses in Finance and Investing Henry Hoenig has three decades of journalism experience as a news and economics editor in the U.S. and Asia, handling coverage of global ...

Social media can be used to identify fashion trends and provide retail forecasts. The predictive power of including social media features, measured by the improvement of the out-of-sample mean ...

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 ...