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Impacts of policy changes on Turkish agriculture : an optimization model with maximum entropy

Eruygur, H. Ozan
Turkey moves towards integration with EU since 1963. The membership will involve full liberalization of trade in agricultural products with EU. The impact of liberalization depends on the path of agricultural policies in Turkey and the EU. On the other hand, agricultural protection continues to be the most controversial issue in global trade negotiations of World Trade Organization (WTO). To evaluate the impacts of policy scenarios, an economic modeling approach based on non-linear mathematical programming is appropriate. This thesis analyzes the impacts of economic integration with the EU and the potential effects of the application of a new WTO agreement in 2015 on Turkish agriculture using an agricultural sector model. The basic approach is Maximum Entropy based Positive Mathematical Programming of Heckelei and Britz (1999). The model is based on a static optimization algorithm. Following an economic integration with EU, the net export of crops declines and can not tolerate the boom in net import of livestock products. Overall welfare affect is small. Consumers benefit from declining prices. Common Agricultural Policy (CAP) supports are determinative for the welfare of producers. WTO simulation shows that a 15 percent reduction in Turkey’s binding WTO tariff commitments will increase net meat imports by USD 250 million.