These theoretical appendices for a proprosed volume on international trade which introduced Marshall's offer curves were printed for private distribution by Henry Sidgwick. "Powerful." The New Palgrave
Alfred Marshall 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.