• The impacts of non-tariff barriers on the export price of Vietnamese catfish 

      Khuu, Thi Phuong Dong (Master thesis; Mastergradsoppgave, 2012-05-22)
      The aims of this study to identify the impacts of non-tariff barriers (NTBs) on Vietnamese catfish export price in the international market. The time-series monthly data from 1999 to 2011 was used in our paper. Base on the demand and supply equilibrium theory, we constructed the function of Vietnamese catfish export price. The unit toot test results showed that our data was stationary at differenced ...