The maximum correlation coefficient between partial sums of independent and identically distributed random variables with finite second moment equals the classical (Pearson) correlation coefficient ...
Learn how AI log analysis enhances security. Reduce the load on SOC teams so they can focus on judgment, context, and ...
I usually focus on something a subset of the population gets wrong, so the rest of us can feel smart, but this week, I’m ...
We draw attention to two problems associated with the use of instrumental variables (IV), the importance of which for empirical work has not been fully appreciated. First, the use of instruments that ...
Stay up to date on all defensive stocks with Benzinga Pro, your go-to stock market research platform with real-time news and actionable insights. The S&P 500 index is regarded as the barometer of U.S.
We all know the truism “Correlation doesn’t imply causation,” but when we see lines sloping together, bars rising together, or points on a scatterplot clustering, the data practically begs us to ...
Greg DePersio has 13+ years of professional experience in sales and SEO and 3+ years as a writer and editor. Toby Walters is a financial writer, investor, and lifelong learner. He has a passion for ...
Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Portfolio variance is a measure of the dispersion of returns of a portfolio.
South Africa’s economy has been muted over the past decade, with GDP increasing by an average of only 0.7% over the ten-year period. Several structural constraints on the supply side of the economy, ...