Weather Index Drought Insurance: An Ex Ante Evaluation for Millet Growers in Niger

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• 作者：Antoine Leblois (1)
  Philippe Quirion (2)
  Agali Alhassane (3)
  Seydou Traoré (3)
  
• 关键词：Agriculture ; Weather ; Index ; based insurance ; O12 ; Q12 ; Q18
• 刊名：Environmental and Resource Economics
• 出版年：2014
• 出版时间：April 2014
• 年：2014
• 卷：57
• 期：4
• 页码：527-551
• 全文大小：969 KB
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• 作者单位：Antoine Leblois (1)
  Philippe Quirion (2)
  Agali Alhassane (3)
  Seydou Traoré (3)
  
  1. Centre International de Recherche sur l’Environnement et le Développement (CIRED), Paris, France
  2. Laboratoire de Météorologie Dynamique (LMD), CIRED, Paris, France
  3. Centre Régional Agrhymet (CRA), Niamey, Niger
  
• ISSN：1573-1502

文摘

In the Sudano-Sahelian region, which includes South Niger, the inter-annual variability of the rainy season is high and irrigation is limited. As a consequence, bad rainy seasons have a massive impact on crop yield and regularly result in food crises. Traditional insurance policies based on crop damage assessment are not available because of asymmetric information and high transaction costs compared to the value of production. We assess the risk mitigation capacity of an alternative form of insurance which has been implemented at a large scale in India since 2003: insurance based on a weather index. We compare the efficiency of various weather indices to increase the expected utility of a representative risk-averse farmer. We show the importance of using plot-level yield data rather than village averages, which bias results due to the presence of idiosyncratic shocks. We also illustrate the need for out-of-sample estimations in order to avoid overfitting. Even with the appropriate index and assuming substantial risk aversion, we find a limited gain of implementing insurance, which roughly corresponds to, or slightly exceeds, the cost observed in India for implementing such insurance policies. However, when we separately treat the plots with and without fertilisers separately, we see that the benefit of insurance is slightly higher in the former case. This suggests that insurance policies may slightly increase the use of risk-increasing inputs such as fertilisers and improved cultivars, and hence improve average yields, which remain very low in the region.