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 ...

Discover how to calculate variable overhead spending variance, its impact on costs, and examples of favorable vs. unfavorable ...

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 ...

For example, let's say that your company has a 20% share of the market for a certain product, and that when you made your budget, the market for this product was expected to be for 110,000 units.