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 ...

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.

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 ...

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 ...

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 ...

Until 2017, genome-wide polygenic scores derived from genome-wide association studies (GWAS) of intelligence were able to predict only 1% of the variance in intelligence in independent samples.

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.

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.