1. Acemoglu, D. (1998) ‘Why Do New Technologies Complement Skills? Directed Technological Change and Wage Inequality’, Quarterly Journal of Economics, 113, 1055–189.
2. Agell, J. and P. Lundborg (1995) ‘Fair Wages in the Open Economy’, Economica, 62, 325–51.
3. Albert, M. and J. Merckl (2001)‘Efficiency Wage, Unemployment and Intersectoral Wage Differentials in a Heckscher-Ohlin Model’, German Economic Review, 2, 287–301.
4. Batra, R. N. and F. R. Casas (1973) ‘Intermediate Products and the Pure Theory of International Trade: A Neo-Heckscher-Ohlin Framework’, American Economic Review, 63 (3), 297–311.
5. Behrman, J. R., N. Birdsall and M. Székely (2000) ‘Economic Reform and Wage Differentials in Latin America’, IADB Working Paper, No 435.