This article searches for solutions to the most perplexing problems in global health--problems so important that they affect the fate of millions of people, with economic, political, and security ramifications for the world's population. No State, acting alone, can insulate itself from major...

We consider three new axioms for surplus sharing problems. The first is strong monotonicity which says that workers should be rewarded for increases in productivity and the second says that productive workers should receive some compensation. The third requires that the surplus sharing rule...

In countries with weak legal systems, there is a great deal of tunnelling by the entrepreneurs who control publicly traded firms. However, under some conditions entrepreneurs prop up their firms, i.e., they use their private funds to benefit minority shareholders. We provide evidence and a model...

We develop a simple firm-based automaton model for global economic interdependence of countries using modern notions of self-organized criticality and recently developed dynamical renormalization-group methods. We demonstrate how extremely strong statistical correlations can naturally develop...