. . . . . . . "1924Z"^^ . "1842Z"^^ . . . . "Alfred Marshall (26 July 1842 \u2013 13 July 1924) was one of the most influential economists of his time. His book, Principles of Economics (1890), was the dominant economic textbook in England for many years. It brings the ideas of supply and demand, marginal utility, and costs of production into a coherent whole. He is known as one of the founders of economics."@en . . . "1842-07-26Z"^^ . "1924-07-13Z"^^ . . "English economist" . . . . "Marshall, Alfred"@en . .