We propose a dynamic graph-theoretic model for ecosystem management as a control over networked system composed of target nodes and unmarked nodes. The network is represented by a complete graph, in which all vertices are connected by a unique edge. Target nodes are attracted by the objective...

In the wake of the worst financial crisis since 1929, economists are revisiting the received understanding of how financial markets and institutions actually operate. This paper aims to contribute to this reexamination. It builds upon the traditional and widely-accepted mean-variance approach to...