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Caldwell, Bruce and Montes, Leonidas (2015) Friedrich Hayek and his visits to Chile. The Review of Austrian Economics, 28 (3). pp. 261-309. ISSN 0889-3047
Fontaine, Philippe (2006) From philanthropy to "altruism": incorporating unselfish behavior into economics, 1961-1975. Discussion paper , Steuer, Max (ed.) DP 81/06. Centre for Philosophy of Natural and Social Science , London, UK.