Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. A static budget remains unchanged regardless of fluctuations in sales or production volumes.

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 ...

Learning the basics of markets and key drivers is no longer a case of having to spend hours reading textbooks from cover to cover. For students in the digital age, there is a range of interactive ...

The digit portions were mapped to steel, while the remaining portions were mapped to concrete. Figure illustrates the relationship between the proportion of steel in the cross-section and the strength ...