1. Abraham, F. (1993) ?The Social Dimension of an Integrated EC-Nordio Economic Area.? In J. Fagerberg, and L. Lundberg (ed),European Integration: A Nordic Perspective. Avebury: Ashgate Publishing Group, 313?331.
2. Barro, R.J. and X. Sala-i-Martin (1990) ?Economic Growth and Convergence Across the United States,? NBER Working Paper No. 3419.
3. Barro, R.J. and X. Sala-i-Martin (1991) ?Convergence Across States and Regions,?Workings Papers on Economic Activity 1, 107?181.
4. Bertola, G. (1990) ?Job Security, Employment and Wages,?European Economic Review 34, 851?886.
5. Blanchard, O.J. and N. Kiyotaki (1987) ?Monopolistic Competition and the Effects of Aggregate Demand,?American Economic Review 77(4), 647?666.