Aref Eshghi,T , , Raheli,H , , Ghahremanzadeh,M , and Dashti,G . "Determining the Premium Rates of Area Yield Crop Insurance Using Non-parametric Method: the Case Study of Wheat and Barley in East Azerbaijan Province", Agricultural Economics, 11, 2, 2017, 51-73. doi: 10.22034/iaes.2017.21225