This paper explores the conditions for sustainable development through two models of economic growth that elucidates two extremes; an open economy with constant prices, and a closed economy with endogenous prices. Sustainable development is easier to achieve in the case of the former than the...

Three new structural factors underlie the latest great world crisis: (1) the incorporation of highly populated countries into the growth process; (2) The increasing scarcity of the environment and certain natural resources; (3) the dramatic concentration of wealth and income in the advanced...

Many doctors in developing countries provide considerably lower levels of quality to their patients than they have been trained to provide. The gap between best practice and actual performance is difficult to measure for individual doctors who differ in levels of training and experience and who...

We examine data from rural Arusha region in Tanzania in which households are asked to recall the illness episodes of randomly chosen other households in their village. We analyze the probability that a household would be able to recall another illness episode as a function of the characteristics...

This paper characterizes the optimal use of sanitary and phytosanitary standards to prevent the introduction of harmful pests and diseases through international trade. Because established pest and disease infestations grow and spread over time their introduction has intertemporal consequences....