Learn about our editorial policies In economics, the term diseconomies of scale describes the phenomenon that occurs when a firm experiences increasing marginal costs per additional unit of output.

Today will be windy with some strong gusts. Cloudy skies and heavy rain in the morning, but this will clear to the east in the afternoon to leave a mix of sunny spells and variable cloud. Tonight ...

Vivian is a breaking-news reporter in The Washington Post’s London hub, covering news as it unfolds in the United States and around the globe during overnight and early-morning hours in Washington.

2-Year U.S. Treasury Note Continuous Contract $103.453 0.066 0.06% 5-Year U.S. Treasury Note Continuous Contract $108.477 0.141 0.13% 10-Year U.S. Treasury Note Continuous Contract $112.234 0.188 ...