Wheat yield dynamics: A structural econometric analysis

ŞAHİN A., AKDİ Y., Arslan F.

Pakistan Journal of Biological Sciences, vol.10, no.20, pp.3533-3540, 2007 (Scopus) identifier identifier

  • Publication Type: Article / Article
  • Volume: 10 Issue: 20
  • Publication Date: 2007
  • Doi Number: 10.3923/pjbs.2007.3533.3540
  • Journal Name: Pakistan Journal of Biological Sciences
  • Journal Indexes: Scopus
  • Page Numbers: pp.3533-3540
  • Keywords: Cointegration, Ordinary least square, Unit root, Wheat yield
  • Ankara Haci Bayram Veli University Affiliated: Yes


In this study we initially have tried to explore the wheat situation in Turkey, which has a small-open economy and in the member countries of European Union (EU). We have observed that increasing the wheat yield is fundamental to obtain comparative advantage among countries by depressing domestic prices. Also the changing structure of supporting schemes in Turkey makes it necessary to increase its wheat yield level. For this purpose, we have used available data to determine the dynamics of wheat yield by Ordinary Least Square Regression methods. In order to find out whether there is a linear relationship among these series we have checked each series whether they are integrated at the same order or not. Consequently, we have pointed out that fertilizer usage and precipitation level are substantial inputs for producing high wheat yield. Furthermore, in respect for our model, fertilizer usage affects wheat yield more than precipitation level. © 2007 Asian Network for Scientific Information.