The case of reduction in ad valorem tariffs as a trade liberalization policy is considered in this article. It is shown that the reduction leads to a higher quality of imports, ceteris paribus. This hypothesis was tested on the case of Japanese beef imports from the United States and Australia....

This study addresses the issues of market integration in railroad industry analyzing the export-bound grain transportation. A spatial analysis involving four origin states (Illinois, Iowa, Minnesota and Nebraska) and two destinations (Mexican Gulf and Pacific Northwest) is conducted in order to...