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 ...

Financial variance is the difference between budgeted and actual spending. Positive variance means spending less, negative indicates overspending. Regular monitoring reduces surprises and improves ...

Dr. JeFreda R. Brown is a financial consultant, Certified Financial Education Instructor, and researcher who has assisted thousands of clients over a more than two-decade career. She is the CEO of ...

When manufacturing products, a business should budget the time and necessary manpower to produce the products. This allows the company to estimate the total costs associated with the production of the ...

If the expected return on two projects is the same but the second has a higher variance (or standard deviation), then the first will be preferred. Also, if the variance on the two projects is the same ...

The clinical application of the B-type natriuretic peptide (BNP) assay is well established and characterized by excellent sensitivity (acceptably low false negative rate) but less than adequate ...