Posted 9 hours ago: <a href="https://news.ycombinator.com/item?id=42299882">https://news.ycombinator.com/item?id=42299882</a><p>Reposting my comment:<p>> I propose the Baby Money Index, which is the income per capita multiplied by the fertility rate squared.<p>It doesn't make sense to score positively for fertility rate (babies born per woman) without doing anything to consider whether those babies actually survive, especially when there's an inverse correlation between number-of-babies and infant mortality.<p>This mistake compounds (literally) when squaring that number as a really weird way to guess at potential grand-kids, since each of those births have to reach adulthood in order to even have a chance of reproducing.