Sarker, Md. Abdur Rashid and Alam, Khorshed 
ORCID: https://orcid.org/0000-0003-2232-0745 and Gow, Jeff
(2019)
Performance of rain-fed Aman rice yield in Bangladesh in the presence of climate change.
Renewable Agriculture and Food Systems, 34 (4).
pp. 304-312.
ISSN 1742-1705
Abstract
This paper uses the framework of the Just–Pope production function to evaluate the impacts of climate change on yields of the rainfed Aman rice crop in Bangladesh. It analyses disaggregated district-level data on climate variables and Aman rice yield over a 48 year time horizon. The results reveal that changes in maximum temperatures have had positive and negative effects on yield in the linear and quadratic functional forms, respectively. However, the elasticity values in the variance function confirm that maximum temperature is risk-increasing for Aman rice while minimum temperature is likely to decrease yield variability. Rainfall has become risk-increasing for Aman rice. Based on three climate change scenarios, this paper also reveals that future climate change is expected to increase the variability of Aman rice yields. Finally, statistically significant dummies for different in-country climate zones require zone-specific adaptation policies to reduce the adverse impacts of climate change.
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