The author briefly describes the work of Malthus and the development of first- and second-generation economic-demographic models. He then discusses a proposed third-generation model which "examines conjointly both consequences and determinants of population growth, and analyzes them at the level of the agricultural household." A project being conducted by the Food and Agricultural Organization ...

scholars have long been interested in the role of population and its impact on the economy of various countries, hence the theories on the subject. while malthus’ population theory presents a very pessimistic view and is formulated in a context which does not correspond to the conditions of the modern world, it occupies the minds of a majority of economists. it is interesting to know, while mal...

--While the population of the world is continually growing, there are doubts that the food supply will be sufficient to keep pace. Although 14% of the world is undernourished today, an exponentially increasing population could be catastrophic if agricultural production lags too far behind. This paper attempts to forecast agricultural yield given the recent advent of genetically modified crops a...

A standard assumption in integrated assessment models of climate change is that population and productivity are growing, but at a decreasing rate. We explore the signi cance of the assumption of population and productivity growth for greenhouse gas abatement. After all, there has been no long run slow down in the growth of productivity over the past few centuries, and the rate of population gro...