This paper analyzes the effect of taxation on the intertemporal allocation of an exhaustible resource. A general framework within which a large variety of taxes can be analyzed is developed and then applied to a number of specific taxes. It is shown that there exists a pattern of taxation which...

The extent of genetic diversity in food crops is important as it affects the risk of attack by pathogens. A drop in diversity increases this risk. Farmers may not take this into account when making crop choices, leading to what from a social perspective is an inadequate level of diversity.

The paper addresses two questions. First, what do national and cross-national regressions reveal about the link from economic growth to poverty reduction, and how is this link affected by (a) initial conditions, such as the degree of inequality, and (b) the type of growth, e.g its sectoral...

At a late stage in preparing this work, we felt responding to the view of all partners that, before analyzing the consequences of asset situations for fertility, migration or environment, we should present, and to some extent explain, some facts about the size, composition, and distribution of...

I consider the effect of empathy towards others on the internalization of interpersonal externalities and on private contributions to the provision of public goods. I show that if preferences are empathetic in the sense of depending on the well-being of others, then in an extreme case external...

I consider the effect of caring, empathy, altruism or positive reciprocity towards others - which I collectively call positive preference interdependence (PPI) - on the internalization of interpersonal externalities and on the level of private contributions to the provision of public goods. I...