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Filmed on Monday May 18, 02009

Paul Romer

A Theory of History, with an Application

The primary developer of New Growth Theory in economics, Professor Romer is a Senior Fellow in the Stanford Institute for Economic Policy Research.

Paul Romer is best known as the lead developer of New Growth Theory, which shows how societies can speed up the discovery and implementation of new technologies; essentially, ideas about how objects interact. However, to address the big problems we’ll face this century; insecurity, harm to the environment, and global poverty, new technologies will not be enough.

His current focus is on mechanisms that can speed up the discovery and implementation of new rules - ideas about how people interact. For his work on the economics of ideas, Paul was named one of America’s 25 most influential people by TIME magazine.

New Cities with New Rules

This talk was the first in a series of public discussions of an idea that Romer has been working on for two years.

His economic theory of history explains phenomena such as the constant improvement of the human standard of living by looking primarily at just two forms of innovative ideas: technology and rules.

Technologies rearrange materials with ingenious recipes and formulas. More people create more technologies, which in turn generates more people. In recent decades technology has enabled the “demographic transition” which lowers birthrates and raises income per person even higher as population levels off.

Rules structure the interactions between people. As population density increased, the idea of ownership became an important rule. A supporting rule for managing violations replaced the old idea of deadly vengeance with awarding damages instead: simply shifting value replaced destroying value. For the idea of open science, recognition replaced ownership as the main event, which means that whoever publishes first is most rewarded, and that accelerates science.

Rules can amplify or stifle technological progress. China was the world leader in inventing new technologies until about a thousand years ago, when centralized dynastic rules slowed innovation almost to a stop.

Romer notes that business keeps evolving as new companies introduce new rule sets. The good ideas are copied, and workers migrate from failing companies to the new and old ones where the new rules are working well. The same goes for countries. Starting about 1970, China took some of the effective rules of Hong Kong (which was managed from afar by England) and set up four special economic zones along the coast operating as imitation Hong Kongs. They worked so well that China rolled out the scheme for the whole country, and its Gross Domestic Product took off. “Hong Kong was the most successful economic development program in history.”

Romer suggests that we rethink sovereignty (respect borders, but maybe create new systems of administrative control); rethink citizenship (allowing perhaps for voice without residency as well as residency without voice); and rethink scale (instead of focussing on nations, focus on new cities.)

If nations are willing to experiment along these lines, they can create new places, places that can give more people access to the kind of rules that they would like to live and work under, and places that can sustain the historical process of entry and innovation in national systems of rules.

The idea is getting some traction in the developing world. This summer Romer will launch an institute and website for further exploration and eventual application of the idea.

One miracle of cities is that they sometimes renew themselves brilliantly. This could be a whole new form of that.

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