"This paper examines the relationship between international migration and source country fertility. The impact of international migration on source country fertility may have a number of causes, including a transfer of destination countries' fertility norms and an incentive to acquire more...

"Aid to developing countries has largely neglected the population-wide health services that are core to communicable disease control in the developed world. These mostly non-clinical services generate "pure public goods" by reducing everyone's exposure to disease through measures such as...

"The availability and quality of basic public services are important determinants of urban quality of life. In many cities, rapid population growth and fiscal constraints are limiting the extent to which urban governments can keep up with increasing demand for these services. It therefore...

"The authors show how willingness to pay surveys can be used to gauge household demand for improved network water and sanitation services. They do this by presenting a case-study from Sri Lanka, where they surveyed approximately 1,800 households in 2003. Using multivariate regression, they show...

"The fact that raising taxes can increase taxed labor supply through income effects is frequently used to justify much lower measures of the marginal welfare cost of taxes and greater public good provision than indicated by traditional, compensated analyses. The authors confirm that this...

"Most economists think of common property as physical-a body of water, a forest-and as bounded within geographic space. In this paper, building on work in social theory, the author argues that common property can also be social-defined within symbolic space. People can be bound by well-defined...