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 ...

When a project is running exactly as predicted, there is no time variance to worry about. When events are happening ahead of schedule or behind schedule, you have a variance, which could pose ...

Inter-individual differences in a local measure of brain structure — for example, cortical thickness — often co-vary with inter-individual differences in the structure of other brain regions.

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.

Market size variance and market share variance are two ways of using market data to determine its effect on a company's profits. While the two terms are related, they calculate the effects of ...

Labor price variance, or direct labor rate variance, measures the difference between the budgeted hourly rate and the actual rate you pay direct labor workers who directly manufacture your products.

This is a preview. Log in through your library . Abstract The essay describes a new way to evaluate variation among simulations through six distinct categories. The six points involve the content of ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...