Scientists and investigators in such diverse fields as geological and environmental sciences, ecology, forestry, disease mapping, and economics often encounter spatially referenced data collected over a fixed set of locations with coordinates (latitude-longitude, Easting-Northing etc.) in a...

A primary issue in industrial hygiene is the estimation of a worker's exposure to chemical, physical and biological agents. Mathematical modeling is increasingly being used as a method for assessing occupational exposures. However, predicting exposure in real settings is constrained by lack of...

In an environment where lawmakers are struggling to raise tax revenue, public-policy tax “expenditures” have come under heavy scrutiny. In particular, tax preferences to boost retirement savings in employer-provided retirement plans has been at the center of such discussions. A recent study...