1. Addison, J. T. (2007). Politico-economic causes of labor regulation in the United States: rent seeking, alliances, raising rivals’ costs (even lowering one’s own?), and interjurisdictional competition. In P. Bernholz, & R. Vaubel (Eds.), Political competition and economic regulation (pp. 19–42). London: Routledge.
2. Addison, J. T., & Siebert, W. S. (1994). Social engineering in the European community: the social charter, Maastricht and beyond. London: Institute of Economic Affairs.
3. Addison, J. T., & Siebert, W. S. (1997). The course of European-level labour market regulation. In J. T. Addison, & W. S. Siebert (Eds.), Labour markets in Europe. Issue of harmonization and regulation (pp. 9–61).). London: The Dryden.
4. Axelrod, R. (1970). Conflict of interest. Chicago: Markham.
5. Bartel, A. P., & Thomas, L. G. (1985). Direct and indirect effects of regulation: a new look at OSHA’s impact. Journal of Law and Economics, 28, 1–25.