First in a series. We asked ChatGPT which method is the best for examining portfolio returns. Then we asked our expert. Editor’s note: Today, we begin a new series in which we ask ChatGPT questions ...

In the investment world, it’s common to discuss average rates of return. It’s not sufficient, however, to simply add up historical returns and divide by how many there are. The proper way to calculate ...

Kristina Zucchi is an investment analyst and financial writer with 15+ years of experience managing portfolios and conducting equity research. Charlene Rhinehart is a CPA , CFE, chair of an Illinois ...

In our student life, we studied a population theory called ‘Malthusian theory’ propounded by economist Thomas Malthus. It ...

Consider this sequence of numbers: 5, 7, 9. Can you spot the pattern? Here’s another with the same pattern: 15, 19, 23. One more: 232, 235, 238. “Three equally spaced things,” says Raghu Meka, a ...

Several papers have investigated sequences which have no k-term arithmetic progressions, finding bounds on their density and looking at sequences generated by greedy algorithms. Rankin in 1960 ...