Bibliography (9):

1. Industry Concentration and Information Technology

2. Computing Productivity: Firm-Level Evidence

3. The Changing Structure of American Innovation: Some Cautionary Remarks for Economic Growth

4. Are Inventors or Firms the Engines of Innovation?

5. Information frictions and entrepreneurship

6. Forced Entrepreneurs

7. The Productivity J-Curve: How Intangibles Complement General Purpose Technologies

8. Ten Facts on Declining Business Dynamism and Lessons from Endogenous Growth Theory

9. Are Ideas Getting Harder to Find?