1. Addison JT, Schnabel C, Wagner J. Works councils in Germany: their effects on firm performance. Arbeitsbericht Nr. 194, Fachbereich Wirtschafts- und Sozialwissenschaften, Universität Lüneburg; 1998.
2. Arvanitis S, Hollenstein H. Evaluating the promotion of advanced manufacturing technologies (AMT) by the Swiss government using micro-level survey data: some methodological considerations. In: OECD, editor. Policy evaluation in innovation and technology. Paris:OECD; 1997.
3. Facing the technological challenge. International labor organization;Bhalla,1996
4. Qualifikation, Beschäftigung und technischer Fortschritt;Blechinger;Jahrbücher Nationalökonomie Statistik,1999
5. Technological change, trade, and the environment;Duchin;Ecol Econ,1995