Policy', American Economic Review, 77 (3), June, 243-50 -- Gary S. Becker (1962), 'Investment in Human Capital: A Theoretical … Analysis', Journal of Political Economy, LXX (5, Part 2), October, 9-49 -- Gary S. Becker (1965), 'A Theory of the Allocation … of Time', Economic Journal, 75 (299), September, 493-517 -- Gary S. Becker (1968), 'Crime and Punishment: An Economic …