Department of Economics and Development Studies, Covenant University, Ota, Nigeria.
Regional Centre of Expertise (RCE) Ogun, Covenant University, Ota, Nigeria.
Sci Rep. 2021 Sep 23;11(1):18940. doi: 10.1038/s41598-021-98250-y.
This study revisits the 2030 United Nations Sustainable Development Goal (SDG) 2 which aims to "end hunger, achieve food security, improve nutrition and promote sustainable agriculture" by highlighting the impact of environmental degradation (proxied by carbon emissions) and non-renewable energy on agro-productivity in Nigeria. Using annual time series data from 1980 to 2018, the study engages the Johansen cointegration and impulse response functions (IRFs) techniques within the vector autoregressive (VAR) framework. Evidence reveals that carbon emissions significantly reduce agro-productivity by 0.23% while non-renewable energy boosts agro-productivity by 5.38%, on average, ceteris paribus. Other results reveal that domestic credit, rural population and arable land exert asymmetric effects. These outcomes are consistent and align with a priori expectations. Policy recommendations are discussed.
本研究重新审视了 2030 年联合国可持续发展目标（SDG）2，该目标旨在“消除饥饿，实现粮食安全，改善营养并促进可持续农业”，强调了环境退化（以碳排放表示）和不可再生能源对尼日利亚农业生产力的影响。本研究使用了 1980 年至 2018 年的年度时间序列数据，在向量自回归（VAR）框架内采用了约翰森协整和脉冲响应函数（IRF）技术。证据表明，碳排放平均使农业生产力降低了 0.23%，而不可再生能源则平均提高了 5.38%，其他结果表明，国内信贷、农村人口和可耕地产生了不对称的影响。这些结果是一致的，符合先验预期。讨论了政策建议。
