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 ...

Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. David Kindness is a Certified Public Accountant (CPA) and an expert in the ...

The amount of money many companies spend is in many ways directly proportionate to how much they produce. That is, there are a lot of variable costs that come with running a company. These costs are ...