Marginal cost measures the cost of producing one more unit of a good. Zero marginal cost occurs when extra units can be produced at no additional cost. Marginal costs include variable costs and can ...

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China’s play for U.S. allies has a problem: As Germany’s leader showed, Europe’s grievances with Beijing may run deeper than its frustration with Trump. By David Pierson Jacinda Ardern, New Zealand’s ...

The ambassador, Mike Huckabee, seemed to endorse Israeli control of lands stretching from Egypt to Iraq. He said his comments were taken out of context. By Isabel Kershner Ayatollah Ali Khamenei has ...

There may be no universal understanding of creativity. The concept is open to interpretation from artistic expression to problem-solving in the context of economic, social and sustainable development.

Reuters, the news and media division of Thomson Reuters, is the world’s largest multimedia news provider, reaching billions of people worldwide every day. Reuters provides business, financial, ...