The impact of highway investments on economic development is investigated. Spatial and temporal aspects of transportation investments are studied by analyzing lagged and spillover effects, and the contribution of past output levels to the current output using a dynamic model. County level data...

The main objective of this paper is to develop a model to determine the relative efficiency and quality of airports. This factor seems to have a strong effect on the airlines' choice of hubs. Previous studies of airport quality have used subjective passenger data whereas in this study airport...