Economic Affairs
  • Year: 2025
  • Volume: 70
  • Issue: 2

Economic Impact of Climate Change on Fisheries: Evidence from Multi-country Using ARDL Approach

  • Author:
  • Kalidoss Radhakrishnan1,*, Jaganathan Maniselvam2, Kota Karuna Sri3, Amrutha Prakash4, R Velmurugan1, Varatharajan Durai5, Sivagnanam Paulpandi6, S.R. Keerthana2
  • Total Page Count: 19
  • Published Online: Nov 7, 2025
  • Page Number: 199 to 217

1Dr. M.G.R. Fisheries College and Research Institute, Tamil Nadu Dr. J. Jayalalithaa Fisheries University, Ponneri, Tamil Nadu, India

2ICAR- Central Institute of Fisheries Education, Mumbai, India

3Department of Agricultural Economics, University of Agricultural Sciences, Bengaluru, India

4ICAR – Central Marine Fisheries Research Institute, Vizhinjam regional Centre, Trivandrum, Kerala, India

5Dr. M.G.R. Fisheries College and Research Institute, Tamil Nadu Dr. J. Jayalalithaa Fisheries University, Thalainayeru, Tamil Nadu, India

6Krishi Vigyan Kendra, Veterinary College and Research Institute, Namakkal, Tamil Nadu, India

*Corresponding author: theradhakrishnank@gmail.com

Online Published on 07 November, 2025.

Abstract

Fish GDP has considerable impact from mean temperature, precipitation and CO2 emission over a period of time. Here we use empirical findings from three South Asian countries namely Bangladesh, India and Thailand for period of 1991-2020 using an Autoregressive distributed lag (ARDL) model. There is a significant positive long-term relationship between CO2 and fish GDP for Bangladesh and India, while temperature and precipitation show a non-significant negative association. In Thailand, precipitation has a significant positive impact on fish GDP, while temperature and CO2 also have positive effects but are not statistically significant. The error correction term is highly significant, indicating a strong short run adjustment towards long run equilibrium. The fitted models were reliable and stable confirmed using econometric analysis. The positive influence of CO2 emissions on fish GDP underscores the need for emissions reduction policies and sustainability efforts in India and Bangladesh. By leveraging insights from this model, these countries can develop both immediate and long-term strategies to sustain the health and productivity of the fisheries sector amidst environmental changes.

⓿ ARDL model quantifies long-term and short-term economic impacts of climate change on fisheries in India, Bangladesh, and Thailand

⓿ CO2 emissions positively influence fish GDP in Bangladesh and India, necessitating sustainability efforts.

⓿ Temperature and precipitation exhibit a non-significant negative impact on fish GDP in Bangladesh and India.

⓿ A strong short-run adjustment towards long-run equilibrium ensures model reliability.

Keywords

Economic Impact, Climate Change, GDP, Fisheries, CO2 Emission