We study the interactions between global population, technological progress, per capita income, the demand for food, and agricultural land expansion over the period 1960 to 2100. We formulate a two-sector Schumpeterian growth model with a Barro-Becker representation of endogenous fertility. A...

Modern agriculture relies on a small number of highly productive crops and the continued expansion of agricultural land area has led to a significant loss of biodiversity. In this paper we consider the macroeconomic consequences of a continued expansion of modern agriculture from the perspective...

Uncertain, yet persistent, real rates of return to capital underpin one argument for using a declining schedule of social discount rates. Yet persistency is only present in approximately the first three-quarters of the time-series of US Treasury bond yields used by Newell and Pizer [37] to...

Policy interventions designed to simultaneously stem deforestation and reduce poverty in tropical countries entail complex socio-environmental trade-offs. A hybrid model, comprising an optimising, agricultural household model integrated into the �shell� of an agent-based model, is...

The case for using declining social discount rates when the future is uncertain is now widely accepted in both academic and policy circles. We present sharp upper and lower bounds for this term structure when we have limited knowledge about the nature of our uncertainty. At horizons beyond 75...