This research estimates the influence of various economic, legal, and political factors on the occurrence of federal land exchanges over time. Economic growth is found to significantly increase the number of land exchanges. The passage of laws related to exchanges and the political affiliation...

The marginal value of increased automobile fuel economy is estimated using a hedonic model of 2001 model year automobiles sold in the United States. This value is then compared to the average expected lifetime fuel savings attributable to increased fuel economy. Results indicate that automobile...