1. Acs, Zoltan J., 1984, The Changing Structure of the U.S. Economy: Lessons from the Steel Industry, New York: Praeger.
2. Acs, Zoltan J., forthcoming, ?Innovation and Technical Change in the U.S. Steel Industry?, Technovation.
3. Acs, Zoltan J. and David B. Audretsch, 1987a, ?Innovation, Market Structure and Firm Size?, Review of Economics and Statistics 69 (November), 567?575.
4. Acs, Zoltan J. and David B. Audretsch, 1987b, ?Job Creation and Firm Size in the U.S. and West Germany?, working paper, Wissenschaftszentrum Berlin, November 1987.
5. Acs, Zoltan J. and David B. Audretsch, 1988a, ?Innovation in Large and Small Firms: An Empirical Analysis?, American Economic Review 78 (September).