in order to define our CU index. Our results show that states in the West North Central, South Atlantic, and Pacific … census divisions tend to have a CU index consistently above the nation's average. On the other hand, states in the East North … Central and West South Central census divisions tend to have a CU index below the nation's average …

Russia's exports (specialisation in resource-intensive products) supports the index analysis …This paper considers trade specialisation in Russia, examining changes in trade patterns at the sectoral level over the … using the Aquino and Grubel-Lloyd indices. The Aquino index is applied to measure the degree of inter …