The price of coal, for its part, has a strong and highly significant negative effect (elasticity = −0.75, p < 0.001). This indicates that coal is a real substitute for electricity in household ...

We live in weird times. I know there are so many ways to back up this bold statement – cultural, political, environmental, ...

Are you human? A new game wants you to prove it. I’m Not a Robot is a fun spin on the popular CAPTCHA game synonymous with using the internet. Except it’s not just one game, but 48 increasingly absurd ...

For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

The simple interest formula is Interest = P * R * T. Many, or all, of the products featured on this page are from our advertising partners who compensate us when you take certain actions on our ...

The longevity of Jobs’ 10-minute design session suggests the approach worked. The calculator survived nearly two decades of ...

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Most forms of income count as taxable — but not all. Here’s how to calculate yours and some ways to reduce your liability. Many, or all, of the products featured on this page are from our advertising ...

Kristina Zucchi is an investment analyst and financial writer with 15+ years of experience managing portfolios and conducting equity research. Cierra Murry is an expert in banking, credit cards, ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...