This paper focuses on the evolution of productivity in the telecommunications industries for 13 OECD countries over the period 1979-1998. It uses Data Envelopment Analysis, a non-parametric approach that allows decompositions of changes in productivity into varia-tions in efficiency and...

In this paper we illustrate how the real options technique can be a useful method for creating value in an uncertain economic world by providing management with a cognitive model that makes it possible to shape and manage uncertain competitive environments and corporate risks.