Academic Paper from the year 2018 in the subject Business economics - Trade and Distribution, grade: PHD, University of Kentucky (Department of Agricultural Economics), language: English, abstract: In this paper, we apply the techniques and tests as they represent from another researcher to estimates econometric model for barley export demand. The data were collected from USDA and FAO. This paper uses different instrumental variable estimations. We test for endogeneity by introducing the Hausman test, test for overidentification by Sargan test, and test the goodness of IV by using F-test.