A key aspect of generating new ideas is drawing from different elements of past knowledge and combining them into a new idea. In such a process, the diversity of ideas plays a central role. This paper examines the empirical question of how the internet affected the diversity of new research by...

Nobel laureates in economics make their most important and creative contributionsbetween the ages of 29 and 38. The average creative age of Nobel economists is slightly belowthat of laureates in physics, and considerably younger than that of laureates in chemistry andmedicine/physiology. The...