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 ...

Facilities that focus on manufacturing and production track two kinds of costs: fixed costs and variable costs. The variable costs are those that change when production levels change: raw materials, ...

As a small-business leader, taking care of the bottom line is critical for growth, as well as for maintaining your current payroll and customers. Understanding sales price variance can help you ...

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 ...

Standard deviation and variance are two basic mathematical concepts that have an important place in various parts of the financial sector, from accounting to economics to investing. Both measure the ...