Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Thomas J. Brock is a CFA and CPA with more than 20 years of experience in various areas ...

Learn the key financial metrics that signal a business shutdown point for single-product and multiproduct firms, based on managerial economics.

December 22, 2025 • With an unprecedented decades-long run of success, Warren Buffett is retiring on December 31, 2025. Buffett’s turning point began with the acquisition of a failing textile mill ...

Uniform interregional electricity transfer capability requirements improve reliability of the US grid, but with lower cost and emissions reductions than a cost-optimized, region-specific approach.

Aug. 26, 2025 Australian teachers are in crisis, with 9 in 10 experiencing severe stress and nearly 70% saying their workload is unmanageable. A major UNSW Sydney study found teachers suffer ...