1. Resource and Output Trends in the United States since 1870;M Abramowitz;American Economic Review,1956
2. Innovation in Small and Large Firms;Z Acs;Economics Letters,1987
3. Innovation in Large and Small Firms: An Empirical Analysis;Z J Acs;American Economic Review,1988
4. The Economics of Small Firms
5. Distribution and Growth in Capital Market Models;P Aghion;European Economic Review,1992