BACKGROUND Variance in life span σ² and life expectancy lost due to death e† are important demographic indicators of life disparity. OBJECTIVE I show that the variance in age at death equals the ...

For simultaneous dimension reduction and variable selection for general regression models, including the multi-index model as a special case, we propose a penalized minimum average variance estimation ...

Caroline Banton has 6+ years of experience as a writer of business and finance articles. She also writes biographies for Story Terrace. Chip Stapleton is a Series 7 and Series 66 license holder, CFA ...