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 ...

An evaluation of the global energy return on investment for fossil fuels and renewable sources reveals a much more level playing field than previously believed. An enduring argument for the ongoing ...

Years ago, when I was in advertising, I fell over in the backroom of focus groups for my client, McDonald’s. I assumed there was a step I missed. But nope, my body just gave up. This was after one ...

A primary output of agriculture is food, an energy source for the human body. But agriculture also requires energy inputs. Kajwan Rasul and colleagues calculated the global energy return on investment ...