Zoltán J. Ács

• Entrepreneurship, geography, and American economic growth
• Innovation and small firms
• Managerial economics and organization
• The changing structure of the U.S. economy
• Accounting for the differences between large and small-firm innovation
• Entrepreneurship, growth and public policy
• The determinants of innovation in large and small firms
• The determinants of small-firm entry in U.S. manufacturing
• The determinants of small-firm growth in U.S. manufacturing
• U.S. high technology clusters