Correlation coefficients range from -1 to +1, indicating the strength of relationships between variables. Investors use correlation coefficients for portfolio diversification to reduce risk.

In our recently published 2025 Diversification Landscape report, Christine Benz, Karen Zaya, Jason Kephart, and I took a deep dive into how different asset classes performed in the past couple of ...

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...

1 Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China 2 National Engineering Research Center for Information Technology in Agriculture, Beijing ...

We establish the asymptotic theory for the estimation of adaptive varying-coefficient linear models. More specifically, we show that the estimator of the index parameter is root-n-consistent. It ...

Jeremy has more than 2100 published articles on Collider to his name, and has been writing for the site since February 2022. He's an omnivore when it comes to his movie-watching diet, so will gladly ...

The mere mention of math can bring back haunting memories of unfinished exams and complex equations. But what if I told you that the math we’re about to explore confirms a lot of what you already ...

Most readers are probably familiar with the basic math behind interest rates and bond prices: When interest rates go up, bond prices go down. As the market recalibrates what a bond’s future cash flows ...

1 College of Science, Beijing Forestry University, Beijing, China 2 State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing, China ...

Bitcoin and other cryptocurrencies are consider alternative assets comparable to commodities and other “alts.” That implies digital currencies should not move in concert with traditional asset classes ...