The relative weight given to the output gap is denoted by the Greek letter lambda.

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It has an equator and is reminiscent of the Greek letter theta.

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Weeks later he received a letter in Greek which said he was to go on trial on 31 May this year.

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Many scientists, physicists in particular, now upload drafts of their papers into public archives paid for by networks of universities for the general good. (The most popular is known as arXiv, the middle letter being a Greek chi.) Here, manuscripts are subject to a ruthless process of open peer review, rather than the secret sort traditional publishers employ.

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