1. Arthur, W.B., Increasing Returns and Path Dependence in the Economy (Ann Arbor: University of Michigan Press, 1994).
2. Becker, G.S., Accounting for Tastes (Cambridge, Mass.: Harvard University Press, 1996).
3. Beckmann, M.J., ‘Knowledge Networks, The Case of Scientific Interaction at a Distance’, Annals of Regional Science, 28 (1994) 233–42.
4. Buchanan, J.M., Ethics and Economic Progress (Norman: University of Oklahoma Press, 1994).
5. Kobayashi, K., D.F. Batten, and Å.E. Andersson, ‘The Sequential Location of Knowledge-oriented Firms over Time and Space’, Papers of Regional Science Association, 70 (1991) 381–97.