Two major trends in the world economy are international migration and environmental degradation. The object of the paper is to analyze the connection between these two trends, which have generally been analyzed in isolation. Here we represent a world economy in which the exploitation of natural...

The paper explores the impacts of resource export policies on major macro variables of the exporter and the importer economies. There are two regions, North and South, trading resources for industrial goods. Each region consumes two goods (basic consumption goods and industrial goods) and...

The paper proposes two axioms that capture the idea of sustainable development and derives the welfare criterion that they imply. The axioms require that neither the present nor the future should play a dictatorial role. Theorem 1 shows there exist sustainable preferences, which satisfy these...

Political economy views economic issues through the lens of political organisation. In today's world, it must focus on the roles of markets and of democracy, two concepts which are driving revolutionary changes in the political organisation of both Europe and Asia. There are two main paradigms...

The concept of basic needs is today at the center of many discussions about development and the international order. Some international organizations are rethinking their prior evaluation of development policies based largely on aggregate economic output, in particular, the welfare of the very...

This article describes the macroeconomic model used in an ongoing study of technology policies and North-South relations. Other aspects of the study have been described elsewhere [1,2]. We examine here the rationale for the theoretical structure used in the model, the details of the equations,...

A problem of existence and characterization of solutions of optimal growth models in many sector economies is studied The social utility to be optimized is a generalized form of a preference depending additively on consumption at the different dates of the planning period. The optimization b...