Smith's days, and was repeated in various works down to the beginning of the th century; a theory which Malthus, that master in plagiarism (the whole of his population theory is a shameless plagiarism), appropriated to himself in which West developed at the same time as, and independently of, Anderson; which in the year was connected by Ricardo with the general theory of value, then made the round of the world as Ricardo's theory, and in was vulgarised by James Mill, the father of John Stuart Mill; and which, finally, was reproduced by John Stuart Mill and others, as a dogma already quite commonplace, and known to every schoolboy.