A country's stance on international trade is an important component of its economic welfare. Yet relatively little theoretical attention has been paid to developing accurate methods to assess trade policies, leaving practitioners and policy makers with ad hoc solutions that lack theoretical foundati[...]

This up-to-the-minute edition provides the latest in Global Positioning Systems (GPS), Digital Mapping, Spatial Information Systems, and Geographic Information Systems (GIS), as well as comprehensive coverage of the surveying techniques, operations, and information professionals of every stripe need[...]