Bibliography:

1. ​ $2020

2. ​ The Impact of Aggregators on Internet News Consumption

3. ​ Does Copyright Affect Reuse? Evidence from Google Books and Wikipedia

4. ​ Roadblock to Innovation: The Role of Patent Litigation in Corporate R&D

5. ​ Are Inventors or Firms the Engines of Innovation?

6. ​ A global decline in research productivity? Evidence from China and Germany

7. ​ Digitization and the Demand for Physical Works: Evidence from the Google Books Project

8. ​ Looking Across and Looking Beyond the Knowledge Frontier: Intellectual Distance, Novelty, and Resource Allocation in Science

9. Wikipedia Bibliography:

   1. ​ https://en.wikipedia.org/wiki/Google_China#Subsequent_events

   2. ​ Difference in Differences

   3. ​ https://en.wikipedia.org/wiki/Bureau_van_Dijk