Labour employed in production and labour commanded: a Ricardian conjecture
通过分析《国富论》中的文本证据，提出斯密的价值和价格分析中的模糊性可能源于早期草稿，其中生产中使用的劳动量被视为实际价格和交换比率的唯一决定因素。
This paper explains the origin of some important ambiguities in the analysis of value and prices put forward by Smith in his Wealth of Nations by considering the possibility that they reflect a previous draft of the book where the quantity of labour employed in production was indicated as the sole determinant of real price and exchange ratios. This conjecture is evidenced indirectly by the way in which Smith presented his own analysis at the end of Book I, Chapter IV; by some passages contained in Book I and Book II which suggest that the quantity of labour employed in production should play a crucial role within the analysis of exchangeable value; and by the important modifications introduced by Smith in Book I, Chapter VI, after the first edition of the Wealth of Nations was published. Copyright 2003, Oxford University Press.