@book{ BA00556147,
 author = "Davies, S. W. and Caves, Richard E.",
 title = "Britain's productivity gap",
 publisher = "Cambridge University Press",
 year = "1987",
 series = "Occasional papers / National Institute of Economic and Social Research",
 number = "40",
 URL = "https://ci.nii.ac.jp/ncid/BA00556147"
}
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