Tomorrow? Privatization and the Injury Caused by Non-Recurring Subsidies (WT/DS138; DSR 2000:V, 2595; DSR 2000:VI, 2623)', in … Is a Subsidy?', in The American Law Institute Reporters' Studies on WTO Case Law: Legal and Economic Analysis, Chapter 21 … the Theory of Optimum Subsidy', Journal of Political Economy, 71 (1), February, 44-50 -- Harry G. Johnson (1965), 'Optimal …