Economics is a messy discipline: too fluid to be a science, too rigorous to be an art. Perhaps it is fitting that economists’ most-used metric, gross domestic product (GDP), is a tangle too. GDP measures the total value of output in an economic territory. Its apparent simplicity explains why it is scrutinised down to tenths of a percentage point every month.

Or take Wikipedia. Supported by investments of time rather than money, it has left the old Encyclopedia Britannica in the dust – and taken the GDP down a few notches in the process.

Gdp

Meaning

Noun

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