Single World Currency?

I was wondering the other day: what would happen if there was a single currency throughout the world? Who would benefit? Who would lose? Is it a sensible idea? It seems to have been good for the Euro zone, but there are not that many disparities between the member states.

Searching a bit online, I quickly found:

So it is an interesting idea, but will it be worth the effort?


New Book: Complexity: 5 Questions

This volume consists of short, interview-style contributions by leading figures in the field of complexity, based on five questions. The answers trace their personal experience and expose their views on the definition, aspects, problems and future of complexity.

The aim of the book is to bring together the opinions of researchers with different backgrounds on the emerging study of complex systems. In this way, we will see similarities and differences, agreements and debates among the approaches of different schools.

Contributors: Peter M. Allen, Philip W. Anderson, W. Brian Arthur, Yaneer Bar-Yam, Eric Bonabeau, Paul Cilliers, Jim Crutchfield, Bruce Edmonds, Nigel Gilbert, Hermann Haken, Francis Heylighen, Bernardo A. Huberman, Stuart A. Kauffman, Seth Lloyd, Gottfried Mayer-Kress, Melanie Mitchell, Edgar Morin, Mark Newman, Grégoire Nicolis, Jordan B. Pollack, Peter Schuster, Ricard V. Solé, Tamás Vicsek, Stephen Wolfram.

Get it at Amazon.com

Check out more books from the 5 Questions series.