"One of the recurring themes in the sustainability literature has been the legitimacy of using an economic framework to account for natural resources. This paper examines the potential for substituting between different inputs in the generation of income, where the inputs include natural...

"Are natural resources a blessing or a curse? Bravo-Ortega and De Gregorio present a model in which natural resources have a positive effect on the level of income and a negative effect on its growth rate. The positive and permanent effect on income implies a welfare gain. There is a growth...

Investment commitments to infrastructure projects with private participation grew in 2005, but the number of infrastructure projects reaching financial closure fell, according to just-released data from the Private Participation in Infrastructure Database

"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...