Border regulatory requirements and administrative practices changed subsequent to the September 11, 2001 (9/11), terrorist attacks in the United States. Research in this study examines the manners in which transportation cost data for merchandise imports from Mexico behaved before and after...

Empirical research for public transport demand has uncovered numerous interesting commonalities across metropolitan economies. This study examines the demand for municipal bus services over time in El Paso, Texas, USA. El Paso is one of the largest metropolitan economies in the USA located...