Türkiye'de Hayvansal ve Bitkisel Üretim Endeksi ile Yük Kapasite Faktörü Arasındaki İlişki: LCC Hipotezi Üzerinden Ampirik Kanıtlar

Year 2025, Volume: 22 Issue: 4, 1046 - 1060, 03.10.2025

Serkan Göksu

https://doi.org/10.33462/jotaf.1648378

Abstract

Bu çalışma, Türkiye’de tarımsal göstergeler üzerinden Yük Kapasitesi Eğrisi (LCC) hipotezinin geçerli olup-olmadığını tespit etmeyi amaçlamaktadır. Tarımsal göstergeler odağında çevresel dengenin hem arz hem de talep tarafını dikkate alarak LCC hipotezinin geçerliliğini araştıran ilk çalışma olması çalışmanın özgün değerini oluşturmaktadır. 1974-2022 dönemine ilişkin yıllık verilerin kullanıldığı bu çalışmada değişkenlerin farklı seviyelerde durağan olmaları sebebiyle ARDL prosedürü ve Toda-Yamamoto nedensellik testi uygulanmıştır. Ayrıca LCC hipotezinin geçerliliğinin tespitinde, çoklu doğrusal bağlantı sorunundan kaçınmak için Narayan ve Narayan (2010) yaklaşımı benimsenmiştir. Çalışma kapsamında oluşturulan model eşbütünleşik olup yük kapasitesi faktörü ile kişi başına gelir, fosil yakıt tüketimi, bitkisel ve hayvansal üretim endeksi değişkenleri arasında uzun dönemli bir ilişki olduğu doğrusal birleşimlerinin denge noktasına yakınsadığı tespit edilmiştir. Kişi başına düşen Gayrisâfi Yurtiçi Hâsıla (GSYH) değişkeninin uzun dönem katsayısı kısa dönemki değerinden daha yüksektir. Bu bulgu kişi başına düşen gelirin çevresel kaliteyi iyileştirici etkisinin uzun vadede daha güçlü ve belirgin olduğunu ortaya koymaktadır. Bu sonuç, U şeklinde olan LCC hipotezinin Türkiye için geçerli olduğunu göstermektedir. Ayrıca uzun dönemde, hayvansal üretim endeksinin çevresel kalite üzerindeki etkisi pozitifken fosil yakıt tüketiminin çevresel kalite üzerindeki etkisi ise negatiftir. Nedensellik testi sonuçlarına göre bitkisel üretim endeksinden yük kapasitesi faktörüne, yük kapasitesi faktöründen hayvansal üretim endeksine, hayvansal üretim endeksinden kişi başına düşen gelir ve bitkisel üretim endeksine, fosil yakıt tüketiminden hayvansal üretim endeksine doğru tek yönlü nedensellik ilişkisi varken kişi başına düşen gelir ile bitkisel üretim endeksi arasında ve fosil yakıt tüketimi ile bitkisel üretim endeksi arasında çift yönlü nedensellik ilişkisi vardır. Bu bulgular ekonomik büyümeyi teşvik eden ve ekolojik sürdürülebilirliği sağlayan politikaların oluşturulmasını, tarım ve çevre politikalarının bütüncül bir yaklaşımla ele alınmasını zorunlu kılmaktadır. Bu doğrultuda politika yapıcılara çevre dostu, yenilikçi ve sürdürülebilir tarım ve hayvancılık uygulamalarının teşvik edilmesi önerilebilir.

Keywords

ARDL , Bitkisel üretim endeksi , Hayvansal üretim endeksi , LCC hipotezi , Tarım çevre ilişkisi , Toda-Yamamoto nedensellik testi

Ethical Statement

Bu çalışma için etik kuruldan izin alınmasına gerek yoktur.

Project Number

Yoktur.

Relationship between Livestock and Crop Production Indexes with Load Capacity Factor in Türkiye: Empirical Evidence from LCC Hypothesis

Abstract

This study aims to determine whether the Load Capacity Curve (LCC) hypothesis, is valid for Türkiye through agricultural indicators. The original value of the study is that it is the first study to investigate the validity of the LCC hypothesis by considering both the supply and demand sides of the environmental balance with a focus on agricultural indicators. In this study, where annual data for 1974-2022 were used, the ARDL procedure and the Toda-Yamamoto causality test were applied because the variables were stationary at different levels. In addition, the Narayan and Narayan (2010) approach was adopted to avoid the problem of multiple linear connections in determining the validity of the LCC hypothesis. The model created within the scope of the study is cointegrated, and it has been determined that there is a long-term relationship between the load capacity factor and the per capita income, fossil fuel consumption, crop, and animal production index variables and that their linear combinations converge to the equilibrium point. The long-term coefficient of the Gross Domestic Product (GDP) per capita variable is higher than its short-term value. This finding reveals that the effect of per capita income on improving environmental quality is stronger and more pronounced in the long term. This result shows that the U-shaped LCC hypothesis is valid for Türkiye. In addition, in the long term, the effect of the animal production index on environmental quality is positive, while the effect of fossil fuel consumption on environmental quality is negative. According to the causality test results, there is a unidirectional causality relationship from the crop production index to the load capacity factor; from the load capacity factor to the livestock production index, from the livestock production index to per capita income and crop production index, from fossil fuel consumption to the livestock production index. At the same time, there is a bidirectional causality relationship between per capita income and crop production index and between fossil fuel consumption and crop production index. These findings necessitate the establishment of policies that encourage economic growth and ensure ecological sustainability, as well as the holistic approach to agricultural and environmental policies. In this direction, it can be recommended to policymakers to encourage environmentally friendly, innovative, and sustainable agricultural and animal husbandry practices.

Keywords

ARDL , Crop production index , Livestock production index , LCC hypothesis , Agriculture-environment relationship , Toda-Yamamoto causality test

Ethical Statement

There is no need to obtain permission from the ethics committee for this study.

Project Number

Yoktur.

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