Economic systems often are described in matrix form as x=Mx. We present a new theorem for systems of this type where M is square, nonnegative and indecomposable. The theorem discloses the existence of additional economic relations that have not been discussed in the literature up to now, and...

This paper describes the mathematical basis for input-output economics, the major types of models, and the underlying economic theory. The features of these models that make them especially well suited for understanding the connections between the economy and the environment are emphasized...

In this contribution we discuss new developments in Dutch thinking about the increasing risk of big floods. A first issue concerns the choice of methodology. Today several ones exist to assess the consequences of big natural catastrophes. These methodologies differ significantly in background...

[eng] On the wage-profit relation in a sraffa system with joint production. . Thus far economic theory has not succeeded in demonstrating the validity of Sraffa's daim that also in joint production Systems the linear wage-profit relation holds, provided the standard commodity is taken as the...

Governance of Innovation takes the multidimensional nature of innovation as its point of departure, bringing together leading scholars from a variety of backgrounds to provide an authoritative and comprehensive overview of contemporary innovation challenges.