the Theory of Optimum Subsidy', Journal of Political Economy, 71 (1), February, 44-50 -- Harry G. Johnson (1965), 'Optimal … Is a Subsidy?', in The American Law Institute Reporters' Studies on WTO Case Law: Legal and Economic Analysis, Chapter 21 …Recommended readings (Machine generated): Bagwell, K. and R.W. Staiger (1999), 'An Economic Theory of GATT', American …