Review - Are Ideas Getting Harder to Find?

This is a review of a recent paper Are Ideas Getting Harder to Find? by Charles I. Jones. Slides are also available.

The central content of the paper is answering the question with the following formula :

Economic growth = Research productivity × Number of researchers

The paper presents evidence and arguments that even the economic growth has been relatively stable over the years, there is a clear downwards trend in the research productivity. This is compensated by more and more people getting...