Abstract
This study measures the production efficiencies and total factor productivity changes of Hazelnut Agricultural Sales Cooperatives Unions (HASCUs) in Turkey over the period 2004-2008. Turkey produces %78.2 hazelnut production of world and gives service to 233,820 farmers in the Black Sea Region of Turkey. To measure production efficiencies of these units, Data Envelopment Analysis (DEA) Approach and Malmquist Productivity Indexes are used. In the our efficiency analysis, the data of 50 HASCUs is considered but only the data of 37 cooperative units is found appropriate for the DEA. The findings of our study show that the average annual technical efficiency scores of HASCUs change between 0.841 and 0.938. It has also been observed that there are average annual %1.3 improvements in technical efficiency, 3% regress in technical change, and %1.7 decreases in the total factor productivity of the HASCUs over the period 2004-2008.
Highlights
Hazelnut is one of the most important crops in the world and has its origins in the centre of Anatolia
Technical efficiency and total factor productivity growth indices are obtained using the computer program DEAP 2.1 written by Coelli [23]
The relative performance of 37 Hazelnut Agricultural Sales Cooperatives Unions (HASCUs) located in the Black Sea region of Turkey was measured over the period 2004-2008
Summary
Hazelnut is one of the most important crops in the world and has its origins in the centre of Anatolia. Wild hazelnut species are found in Anatolia which has provided the source for today’s cultivated varieties. Hazelnut is grown in the eastern and western regions of Turkey along the Black Sea Region. Hazelnut production in the Black Sea region extends from the Georgia’s border to Istanbul. According to the statistics of Turkish Ministry of Agriculture, hazelnut production areas include 639.000 hectares. In Turkey, hazelnut farming regions are divided into four sub regions such as Akçakoca, Ordu, Giresun and Trabzon [1]
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