Malthus, Thomas Robert
moral restraint.Although his theory caused general controversy, it was later adapted by neo-Malthusians, and its implications influenced classical economists, especially David Ricardo . However, unlike Ricardo, Malthus did not agree with Jean Baptiste Say 's law of markets, which held that overproduction and unemployment were impossible since supply creates its own demand. Malthus believed that unemployment could occur when there was a surplus of unwanted products. He also wrote Principles of Political Economy (1820) and other books.
See biographies by J. Bonar (2d ed. 1924, repr. 1966) and P. James (1979); study by D. V. Glass (1953); M. Paglin, Malthus and Lauderdale; the Anti-Ricardian Tradition (1956, repr. 1973); M. Turner, ed., Malthus and His Time (1986); R. J. Mayhew, Malthus: The Life and Legacies of an Untimely Prophet (2014).
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