Bottom billion

Collier on the Bottom Billion
EconTalk

Paul Collier, Russ Roberts

Growth

Romer on Growth
EconTalk

Paul Romer, Russ Roberts

Growth and cities

Growth, innovation, scaling, and the pace of life in cities
Proceedings of the National Academy of Sciences

Luís M. A. Bettencourt, Jose Lobo, Dirk Helbing, Christian Kuhnert, and Geoffrey B. West

Economic growth

Economic growth

Paul Romer