This essay argues that economic systems should be defined in terms of clusters of complementary institutions. To show how such an approach can be carried out, I use a cluster analysis technique and data on forty different economic institutions in OECD nations to isolate four quite different...

The paper discusses the role of the state in shaping an economic system which is, in line with the welfare economics approach, capable of performing socially important functions and achieving socially desirable results. We describe this system through a set of indexes: the IHDI, the World...

This paper integrates fertility choice and exhaustible resource dynamics in a tractable model of endogenous technological change. The analysis shows that, under the right conditions, the interdependence of population, resources and technology produces a transition from unsustainable...