1. Does R&D protect SMEs from the hardness of the cycle?;D A��n-Hig�n;Evidence from Spanish SMEs,1990
2. The Reemergence of Self-Employment
3. New-firm startups, technology, and macroeconomic fluctuations;D B Audretsch;Small Business Economics,1994
4. New firm formation and employment growth: regional and business dynamics;D B Audretsch;Small Business Economics,2002
5. The superstar inventors and entrepreneurs: How were they educated?;W J Baumol;Journal of Economics & Management Strategy,2009