Discover how credibility theory helps actuaries use historical data to estimate risks and set insurance premiums; learn how ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Eric's career includes extensive work in both public and corporate accounting with ...

Control engineering plays a pivotal role in understanding and designing systems ranging from biological feedback loops to ...

As mentioned in my last article back in late-December, Gold was setting up for a key short- term correction, coming from several smaller tracked waves - though a move anticipated to end up as ...

A version of this article appeared in the October 2006 issue of Harvard Business Review. Harvard Business Publishing: Copyright ©2026 Harvard Business School ...