We show a range of complexity results for the Ricardo and Heckscher-Ohlin models of international trade (as Arrow-Debreu production markets). For both models, we show three types o...
We define external memory (or I/O) models which capture space complexity and develop a general technique for deriving I/O-space trade-offs in these models from internal memory mode...
The need for new theoretical and experimental approaches to understand dynamic and heterogeneous behavior in complex economic and social systems is increasing recently. An approac...
Exploration and development of e-business models takes a series of viewpoints. One important perspective is the value web perspective, which can be modelled using the e3value meth...
This paper outlines trends reshaping the business of International Long Distance (ILD) voice minutes trading. Our analysis is centered on Arbinet’s business model: an electro...